91632042 has 12 divisors (see below), whose sum is σ = 198536130. Its totient is φ = 30544008.

The previous prime is 91632029. The next prime is 91632043. The reversal of 91632042 is 24023619.

It can be written as a sum of positive squares in only one way, i.e., 89132481 + 2499561 = 9441^2 + 1581^2 .

It is a super-2 number, since 2×91632042² = 16792862242179528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 91631997 and 91632015.

It is not an unprimeable number, because it can be changed into a prime (91632043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2545317 + ... + 2545352.

Almost surely, 2^91632042 is an apocalyptic number.

91632042 is an abundant number, since it is smaller than the sum of its proper divisors (106904088).

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

91632042 is a wasteful number, since it uses less digits than its factorization.

91632042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090677 (or 5090674 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 91632042 is about 9572.4626925363. The cubic root of 91632042 is about 450.8330937626.

The spelling of 91632042 in words is "ninety-one million, six hundred thirty-two thousand, forty-two".