91912346 has 4 divisors (see below), whose sum is σ = 137868522. Its totient is φ = 45956172.

The previous prime is 91912309. The next prime is 91912361. The reversal of 91912346 is 64321919.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68244121 + 23668225 = 8261^2 + 4865^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22978085 + ... + 22978088.

Almost surely, 2^91912346 is an apocalyptic number.

91912346 is a deficient number, since it is larger than the sum of its proper divisors (45956176).

91912346 is a wasteful number, since it uses less digits than its factorization.

91912346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45956175.

The product of its digits is 11664, while the sum is 35.

The square root of 91912346 is about 9587.0926771363. The cubic root of 91912346 is about 451.2923278870.

The spelling of 91912346 in words is "ninety-one million, nine hundred twelve thousand, three hundred forty-six".