91420796 has 12 divisors (see below), whose sum is σ = 160182960. Its totient is φ = 45654240.

The previous prime is 91420759. The next prime is 91420817. The reversal of 91420796 is 69702419.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 10265 + ... + 16976.

It is an arithmetic number, because the mean of its divisors is an integer number (13348580).

Almost surely, 2^91420796 is an apocalyptic number.

It is an amenable number.

91420796 is a deficient number, since it is larger than the sum of its proper divisors (68762164).

91420796 is a wasteful number, since it uses less digits than its factorization.

91420796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28084 (or 28082 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 91420796 is about 9561.4222791382. The cubic root of 91420796 is about 450.4863811030.

The spelling of 91420796 in words is "ninety-one million, four hundred twenty thousand, seven hundred ninety-six".