91042968 has 16 divisors (see below), whose sum is σ = 227607480. Its totient is φ = 30347648.

The previous prime is 91042961. The next prime is 91042969. The reversal of 91042968 is 86924019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91042961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1896705 + ... + 1896752.

Almost surely, 2^91042968 is an apocalyptic number.

It is an amenable number.

91042968 is an abundant number, since it is smaller than the sum of its proper divisors (136564512).

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

91042968 is a wasteful number, since it uses less digits than its factorization.

91042968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793466 (or 3793462 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 91042968 is about 9541.6438835245. The cubic root of 91042968 is about 449.8649273617.

The spelling of 91042968 in words is "ninety-one million, forty-two thousand, nine hundred sixty-eight".