904828491 has 12 divisors (see below), whose sum is σ = 1493685232. Its totient is φ = 517044816.

The previous prime is 904828453. The next prime is 904828493. The reversal of 904828491 is 194828409.

904828491 is a `hidden beast` number, since 9 + 0 + 482 + 84 + 91 = 666.

It is not a de Polignac number, because 904828491 - 2⁷ = 904828363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (904828493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7181116 + ... + 7181241.

Almost surely, 2^904828491 is an apocalyptic number.

904828491 is a deficient number, since it is larger than the sum of its proper divisors (588856741).

904828491 is a wasteful number, since it uses less digits than its factorization.

904828491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14362370 (or 14362367 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 904828491 is about 30080.3672018810. The cubic root of 904828491 is about 967.2129196523.

The spelling of 904828491 in words is "nine hundred four million, eight hundred twenty-eight thousand, four hundred ninety-one".