91049026 has 16 divisors (see below), whose sum is σ = 144403200. Its totient is φ = 42936048.

The previous prime is 91049003. The next prime is 91049041. The reversal of 91049026 is 62094019.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3471 + ... + 13933.

It is an arithmetic number, because the mean of its divisors is an integer number (9025200).

Almost surely, 2^91049026 is an apocalyptic number.

91049026 is a deficient number, since it is larger than the sum of its proper divisors (53354174).

91049026 is a wasteful number, since it uses less digits than its factorization.

91049026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10713.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 91049026 is about 9541.9613287835. The cubic root of 91049026 is about 449.8749051460.

The spelling of 91049026 in words is "ninety-one million, forty-nine thousand, twenty-six".