196049701 has 4 divisors (see below), whose sum is σ = 196079404. Its totient is φ = 196020000.

The previous prime is 196049699. The next prime is 196049719. The reversal of 196049701 is 107940691.

196049701 is a nontrivial binomial coefficient, being equal to C(19802, 2).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 107940691 = 19 ⋅5681089.

It can be written as a sum of positive squares in 2 ways, for example, as 79388100 + 116661601 = 8910^2 + 10801^2 .

It is a 3-Lehmer number, since φ(196049701) divides (196049701-1)³.

It is a cyclic number.

It is not a de Polignac number, because 196049701 - 2¹ = 196049699 is a prime.

It is a deceptive number, since it divides R_196049700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196049731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 19801.

It is an arithmetic number, because the mean of its divisors is an integer number (49019851).

It is a Poulet number, since it divides 2^196049700-1.

Almost surely, 2^196049701 is an apocalyptic number.

196049701 is the 19801-st triangular number and also the 9901-st hexagonal number.

196049701 is the 8856-th centered pentagonal number and also the 6601-st centered nonagonal number.

It is an amenable number.

196049701 is a deficient number, since it is larger than the sum of its proper divisors (29703).

196049701 is an equidigital number, since it uses as much as digits as its factorization.

196049701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29702.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 196049701 is about 14001.7749232017. The cubic root of 196049701 is about 580.9276682646.

The spelling of 196049701 in words is "one hundred ninety-six million, forty-nine thousand, seven hundred one".