91039962 has 24 divisors (see below), whose sum is σ = 197165664. Its totient is φ = 28011984.

The previous prime is 91039933. The next prime is 91039997. The reversal of 91039962 is 26993019.

It is a happy number.

It is a super-2 number, since 2×91039962² = 16576549361922888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 91039962.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43878 + ... + 45905.

It is an arithmetic number, because the mean of its divisors is an integer number (8215236).

Almost surely, 2^91039962 is an apocalyptic number.

91039962 is an abundant number, since it is smaller than the sum of its proper divisors (106125702).

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

91039962 is a wasteful number, since it uses less digits than its factorization.

91039962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89814 (or 89801 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 91039962 is about 9541.4863621975. The cubic root of 91039962 is about 449.8599761872.

The spelling of 91039962 in words is "ninety-one million, thirty-nine thousand, nine hundred sixty-two".