91332412 has 12 divisors (see below), whose sum is σ = 162083376. Its totient is φ = 45022880.

The previous prime is 91332401. The next prime is 91332427. The reversal of 91332412 is 21423319.

It is a congruent number.

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, 160513 + ... + 161080.

It is an arithmetic number, because the mean of its divisors is an integer number (13506948).

Almost surely, 2^91332412 is an apocalyptic number.

It is an amenable number.

91332412 is a deficient number, since it is larger than the sum of its proper divisors (70750964).

91332412 is a wasteful number, since it uses less digits than its factorization.

91332412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321668 (or 321666 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 91332412 is about 9556.7992549807. The cubic root of 91332412 is about 450.3411602196.

The spelling of 91332412 in words is "ninety-one million, three hundred thirty-two thousand, four hundred twelve".