91146356 has 12 divisors (see below), whose sum is σ = 182292768. Its totient is φ = 39062712.

The previous prime is 91146353. The next prime is 91146359. The reversal of 91146356 is 65364119.

It is an interprime number because it is at equal distance from previous prime (91146353) and next prime (91146359).

91146356 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91146353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627586 + ... + 1627641.

It is an arithmetic number, because the mean of its divisors is an integer number (15191064).

Almost surely, 2^91146356 is an apocalyptic number.

It is an amenable number.

91146356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91146356 is a wasteful number, since it uses less digits than its factorization.

91146356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255238 (or 3255236 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 91146356 is about 9547.0600710376. The cubic root of 91146356 is about 450.0351511636.

The spelling of 91146356 in words is "ninety-one million, one hundred forty-six thousand, three hundred fifty-six".