84700428 has 24 divisors (see below), whose sum is σ = 197935920. Its totient is φ = 28190400.

The previous prime is 84700417. The next prime is 84700433. The reversal of 84700428 is 82400748.

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, 3378 + ... + 13446.

It is an arithmetic number, because the mean of its divisors is an integer number (8247330).

Almost surely, 2^84700428 is an apocalyptic number.

It is an amenable number.

84700428 is an abundant number, since it is smaller than the sum of its proper divisors (113235492).

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

84700428 is a wasteful number, since it uses less digits than its factorization.

84700428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10777 (or 10775 counting only the distinct ones).

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

The square root of 84700428 is about 9203.2835444748. The cubic root of 84700428 is about 439.1658231009.

The spelling of 84700428 in words is "eighty-four million, seven hundred thousand, four hundred twenty-eight".