91948418 has 8 divisors (see below), whose sum is σ = 142371840. Its totient is φ = 44491140.

The previous prime is 91948399. The next prime is 91948421. The reversal of 91948418 is 81484919.

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, 741458 + ... + 741581.

It is an arithmetic number, because the mean of its divisors is an integer number (17796480).

Almost surely, 2^91948418 is an apocalyptic number.

91948418 is a deficient number, since it is larger than the sum of its proper divisors (50423422).

91948418 is a wasteful number, since it uses less digits than its factorization.

91948418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483072.

The product of its digits is 82944, while the sum is 44.

The square root of 91948418 is about 9588.9737719946. The cubic root of 91948418 is about 451.3513583596.

The spelling of 91948418 in words is "ninety-one million, nine hundred forty-eight thousand, four hundred eighteen".