196537950 has 144 divisors (see below), whose sum is σ = 617924736. Its totient is φ = 43848000.

The previous prime is 196537949. The next prime is 196537963. The reversal of 196537950 is 59735691.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 196537896 and 196537905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 134725 + ... + 136175.

It is an arithmetic number, because the mean of its divisors is an integer number (4291144).

Almost surely, 2^196537950 is an apocalyptic number.

196537950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 196537950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308962368).

196537950 is an abundant number, since it is smaller than the sum of its proper divisors (421386786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196537950 is a wasteful number, since it uses less digits than its factorization.

196537950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519 (or 1511 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 45.

The square root of 196537950 is about 14019.1993351974. The cubic root of 196537950 is about 581.4095226393.

The spelling of 196537950 in words is "one hundred ninety-six million, five hundred thirty-seven thousand, nine hundred fifty".