91534104 has 32 divisors (see below), whose sum is σ = 254262000. Its totient is φ = 30511296.

The previous prime is 91534087. The next prime is 91534109. The reversal of 91534104 is 40143519.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91534109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211669 + ... + 212100.

Almost surely, 2^91534104 is an apocalyptic number.

It is an amenable number.

91534104 is an abundant number, since it is smaller than the sum of its proper divisors (162727896).

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

91534104 is a wasteful number, since it uses less digits than its factorization.

91534104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423784 (or 423774 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 91534104 is about 9567.3457134150. The cubic root of 91534104 is about 450.6724169561.

The spelling of 91534104 in words is "ninety-one million, five hundred thirty-four thousand, one hundred four".