91343952 has 60 divisors (see below), whose sum is σ = 292158880. Its totient is φ = 26097984.

The previous prime is 91343929. The next prime is 91343953. The reversal of 91343952 is 25934319.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91343953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44302 + ... + 46317.

Almost surely, 2^91343952 is an apocalyptic number.

It is an amenable number.

91343952 is an abundant number, since it is smaller than the sum of its proper divisors (200814928).

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

91343952 is a wasteful number, since it uses less digits than its factorization.

91343952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90640 (or 90631 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 91343952 is about 9557.4029945378. The cubic root of 91343952 is about 450.3601265354.

The spelling of 91343952 in words is "ninety-one million, three hundred forty-three thousand, nine hundred fifty-two".