91946392 has 8 divisors (see below), whose sum is σ = 172399500. Its totient is φ = 45973192.

The previous prime is 91946381. The next prime is 91946399. The reversal of 91946392 is 29364919.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91946399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5746642 + ... + 5746657.

Almost surely, 2^91946392 is an apocalyptic number.

It is an amenable number.

91946392 is a deficient number, since it is larger than the sum of its proper divisors (80453108).

91946392 is a wasteful number, since it uses less digits than its factorization.

91946392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11493305 (or 11493301 counting only the distinct ones).

The product of its digits is 104976, while the sum is 43.

The square root of 91946392 is about 9588.8681292424. The cubic root of 91946392 is about 451.3480432960.

The spelling of 91946392 in words is "ninety-one million, nine hundred forty-six thousand, three hundred ninety-two".