84270084 has 12 divisors (see below), whose sum is σ = 196630224. Its totient is φ = 28090024.

The previous prime is 84270077. The next prime is 84270101. The reversal of 84270084 is 48007248.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3511242 + ... + 3511265.

It is an arithmetic number, because the mean of its divisors is an integer number (16385852).

Almost surely, 2^84270084 is an apocalyptic number.

It is an amenable number.

84270084 is an abundant number, since it is smaller than the sum of its proper divisors (112360140).

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

84270084 is a wasteful number, since it uses less digits than its factorization.

84270084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022514 (or 7022512 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 84270084 is about 9179.8738553425. The cubic root of 84270084 is about 438.4207919992.

The spelling of 84270084 in words is "eighty-four million, two hundred seventy thousand, eighty-four".