84904868 has 24 divisors (see below), whose sum is σ = 164166912. Its totient is φ = 38217344.

The previous prime is 84904849. The next prime is 84904873. The reversal of 84904868 is 86840948.

It is a super-2 number, since 2×84904868² = 14417673220194848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25580 + ... + 28707.

It is an arithmetic number, because the mean of its divisors is an integer number (6840288).

Almost surely, 2^84904868 is an apocalyptic number.

It is an amenable number.

84904868 is a deficient number, since it is larger than the sum of its proper divisors (79262044).

84904868 is a wasteful number, since it uses less digits than its factorization.

84904868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54331 (or 54329 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 84904868 is about 9214.3837558461. The cubic root of 84904868 is about 439.5188749243.

The spelling of 84904868 in words is "eighty-four million, nine hundred four thousand, eight hundred sixty-eight".