91837048 has 16 divisors (see below), whose sum is σ = 176394960. Its totient is φ = 44798400.

The previous prime is 91837037. The next prime is 91837061. The reversal of 91837048 is 84073819.

It is a self number, because there is not a number n which added to its sum of digits gives 91837048.

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, 139668 + ... + 140323.

It is an arithmetic number, because the mean of its divisors is an integer number (11024685).

Almost surely, 2^91837048 is an apocalyptic number.

It is an amenable number.

91837048 is a deficient number, since it is larger than the sum of its proper divisors (84557912).

91837048 is a wasteful number, since it uses less digits than its factorization.

91837048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280038 (or 280034 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 91837048 is about 9583.1648217069. The cubic root of 91837048 is about 451.1690557513.

The spelling of 91837048 in words is "ninety-one million, eight hundred thirty-seven thousand, forty-eight".