91392002 has 16 divisors (see below), whose sum is σ = 147823872. Its totient is φ = 42126480.

The previous prime is 91392001. The next prime is 91392013. The reversal of 91392002 is 20029319.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (91392001) 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, 23993 + ... + 27539.

It is an arithmetic number, because the mean of its divisors is an integer number (9238992).

Almost surely, 2^91392002 is an apocalyptic number.

91392002 is a deficient number, since it is larger than the sum of its proper divisors (56431870).

91392002 is a wasteful number, since it uses less digits than its factorization.

91392002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 91392002 is about 9559.9164222288. The cubic root of 91392002 is about 450.4390808989.

The spelling of 91392002 in words is "ninety-one million, three hundred ninety-two thousand, two".