84906564 has 24 divisors (see below), whose sum is σ = 203470848. Its totient is φ = 27537120.

The previous prime is 84906539. The next prime is 84906587. The reversal of 84906564 is 46560948.

It is a super-2 number, since 2×84906564² = 14418249220572192, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95172 + ... + 96059.

It is an arithmetic number, because the mean of its divisors is an integer number (8477952).

Almost surely, 2^84906564 is an apocalyptic number.

It is an amenable number.

84906564 is an abundant number, since it is smaller than the sum of its proper divisors (118564284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84906564 is a wasteful number, since it uses less digits than its factorization.

84906564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191275 (or 191273 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 84906564 is about 9214.4757854150. The cubic root of 84906564 is about 439.5218014115.

The spelling of 84906564 in words is "eighty-four million, nine hundred six thousand, five hundred sixty-four".