91396392 has 32 divisors (see below), whose sum is σ = 230143200. Its totient is φ = 30245184.

The previous prime is 91396387. The next prime is 91396397. The reversal of 91396392 is 29369319.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (91396387) and next prime (91396397).

It is not an unprimeable number, because it can be changed into a prime (91396397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10363 + ... + 17034.

It is an arithmetic number, because the mean of its divisors is an integer number (7191975).

Almost surely, 2^91396392 is an apocalyptic number.

It is an amenable number.

91396392 is an abundant number, since it is smaller than the sum of its proper divisors (138746808).

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

91396392 is a wasteful number, since it uses less digits than its factorization.

91396392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27545 (or 27541 counting only the distinct ones).

The product of its digits is 78732, while the sum is 42.

The square root of 91396392 is about 9560.1460239894. The cubic root of 91396392 is about 450.4462930395.

The spelling of 91396392 in words is "ninety-one million, three hundred ninety-six thousand, three hundred ninety-two".