84528400 has 60 divisors (see below), whose sum is σ = 221552784. Its totient is φ = 30736000.

The previous prime is 84528361. The next prime is 84528469. The reversal of 84528400 is 482548.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5206 + ... + 14005.

Almost surely, 2^84528400 is an apocalyptic number.

84528400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84528400 is an abundant number, since it is smaller than the sum of its proper divisors (137024384).

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

84528400 is a wasteful number, since it uses less digits than its factorization.

84528400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19240 (or 19229 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 84528400 is about 9193.9327820036. The cubic root of 84528400 is about 438.8683038527.

The spelling of 84528400 in words is "eighty-four million, five hundred twenty-eight thousand, four hundred".