91896339 has 32 divisors (see below), whose sum is σ = 136512000. Its totient is φ = 54692352.

The previous prime is 91896323. The next prime is 91896347. The reversal of 91896339 is 93369819.

It is a happy number.

It is not a de Polignac number, because 91896339 - 2⁴ = 91896323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91896349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183912 + ... + 184410.

It is an arithmetic number, because the mean of its divisors is an integer number (4266000).

Almost surely, 2^91896339 is an apocalyptic number.

91896339 is a deficient number, since it is larger than the sum of its proper divisors (44615661).

91896339 is a wasteful number, since it uses less digits than its factorization.

91896339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699.

The product of its digits is 314928, while the sum is 48.

The square root of 91896339 is about 9586.2578204428. The cubic root of 91896339 is about 451.2661280854.

It can be divided in two parts, 91896 and 339, that added together give a triangular number (92235 = T₄₂₉).

The spelling of 91896339 in words is "ninety-one million, eight hundred ninety-six thousand, three hundred thirty-nine".