91900948 has 12 divisors (see below), whose sum is σ = 169291360. Its totient is φ = 43531992.

The previous prime is 91900943. The next prime is 91900969. The reversal of 91900948 is 84900919.

It is a self number, because there is not a number n which added to its sum of digits gives 91900948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91900943) 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, 604536 + ... + 604687.

Almost surely, 2^91900948 is an apocalyptic number.

It is an amenable number.

91900948 is a deficient number, since it is larger than the sum of its proper divisors (77390412).

91900948 is a wasteful number, since it uses less digits than its factorization.

91900948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209246 (or 1209244 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 91900948 is about 9586.4982136336. The cubic root of 91900948 is about 451.2736722771.

The spelling of 91900948 in words is "ninety-one million, nine hundred thousand, nine hundred forty-eight".