196401481 has 4 divisors (see below), whose sum is σ = 196568964. Its totient is φ = 196234000.

The previous prime is 196401467. The next prime is 196401487. The reversal of 196401481 is 184104691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 184104691 = 31 ⋅5938861.

It can be written as a sum of positive squares in 2 ways, for example, as 97199881 + 99201600 = 9859^2 + 9960^2 .

It is a cyclic number.

It is not a de Polignac number, because 196401481 - 2⁷ = 196401353 is a prime.

It is a super-2 number, since 2×196401481² = 77147083477986722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196401487) 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, 81970 + ... + 84331.

It is an arithmetic number, because the mean of its divisors is an integer number (49142241).

Almost surely, 2^196401481 is an apocalyptic number.

It is an amenable number.

196401481 is a deficient number, since it is larger than the sum of its proper divisors (167483).

196401481 is a wasteful number, since it uses less digits than its factorization.

196401481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167482.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 196401481 is about 14014.3312719516. The cubic root of 196401481 is about 581.2749214119.

The spelling of 196401481 in words is "one hundred ninety-six million, four hundred one thousand, four hundred eighty-one".