91943452 has 6 divisors (see below), whose sum is σ = 160901048. Its totient is φ = 45971724.

The previous prime is 91943441. The next prime is 91943459. The reversal of 91943452 is 25434919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91943459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11492928 + ... + 11492935.

Almost surely, 2^91943452 is an apocalyptic number.

It is an amenable number.

91943452 is a deficient number, since it is larger than the sum of its proper divisors (68957596).

91943452 is a wasteful number, since it uses less digits than its factorization.

91943452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22985867 (or 22985865 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 91943452 is about 9588.7148252516. The cubic root of 91943452 is about 451.3432326037.

The spelling of 91943452 in words is "ninety-one million, nine hundred forty-three thousand, four hundred fifty-two".