91954916 has 12 divisors (see below), whose sum is σ = 165270588. Its totient is φ = 44734752.

The previous prime is 91954913. The next prime is 91954949. The reversal of 91954916 is 61945919.

It can be written as a sum of positive squares in 2 ways, for example, as 42954916 + 49000000 = 6554^2 + 7000^2 .

It is not an unprimeable number, because it can be changed into a prime (91954913) 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, 310511 + ... + 310806.

It is an arithmetic number, because the mean of its divisors is an integer number (13772549).

Almost surely, 2^91954916 is an apocalyptic number.

It is an amenable number.

91954916 is a deficient number, since it is larger than the sum of its proper divisors (73315672).

91954916 is a wasteful number, since it uses less digits than its factorization.

91954916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621358 (or 621356 counting only the distinct ones).

The product of its digits is 87480, while the sum is 44.

The square root of 91954916 is about 9589.3125926732. The cubic root of 91954916 is about 451.3619904514.

The spelling of 91954916 in words is "ninety-one million, nine hundred fifty-four thousand, nine hundred sixteen".