91794538 has 8 divisors (see below), whose sum is σ = 150209280. Its totient is φ = 41724780.

The previous prime is 91794499. The next prime is 91794539. The reversal of 91794538 is 83549719.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (91794539) 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, 2086218 + ... + 2086261.

It is an arithmetic number, because the mean of its divisors is an integer number (18776160).

Almost surely, 2^91794538 is an apocalyptic number.

91794538 is a deficient number, since it is larger than the sum of its proper divisors (58414742).

91794538 is a wasteful number, since it uses less digits than its factorization.

91794538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172492.

The product of its digits is 272160, while the sum is 46.

The square root of 91794538 is about 9580.9466129397. The cubic root of 91794538 is about 451.0994318650.

The spelling of 91794538 in words is "ninety-one million, seven hundred ninety-four thousand, five hundred thirty-eight".