91670498 has 8 divisors (see below), whose sum is σ = 137548800. Its totient is φ = 45820900.

The previous prime is 91670489. The next prime is 91670519. The reversal of 91670498 is 89407619.

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

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, 4823 + ... + 14373.

It is an arithmetic number, because the mean of its divisors is an integer number (17193600).

Almost surely, 2^91670498 is an apocalyptic number.

91670498 is a deficient number, since it is larger than the sum of its proper divisors (45878302).

91670498 is a wasteful number, since it uses less digits than its factorization.

91670498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14352.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 91670498 is about 9574.4711603305. The cubic root of 91670498 is about 450.8961532640.

The spelling of 91670498 in words is "ninety-one million, six hundred seventy thousand, four hundred ninety-eight".