91426344 has 16 divisors (see below), whose sum is σ = 228565920. Its totient is φ = 30475440.

The previous prime is 91426339. The next prime is 91426367. The reversal of 91426344 is 44362419.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1904692 + ... + 1904739.

It is an arithmetic number, because the mean of its divisors is an integer number (14285370).

Almost surely, 2^91426344 is an apocalyptic number.

It is an amenable number.

91426344 is an abundant number, since it is smaller than the sum of its proper divisors (137139576).

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

91426344 is a wasteful number, since it uses less digits than its factorization.

91426344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809440 (or 3809436 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 91426344 is about 9561.7123989378. The cubic root of 91426344 is about 450.4954937192.

The spelling of 91426344 in words is "ninety-one million, four hundred twenty-six thousand, three hundred forty-four".