84688404 has 48 divisors (see below), whose sum is σ = 205019136. Its totient is φ = 27180000.

The previous prime is 84688379. The next prime is 84688421. The reversal of 84688404 is 40488648.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 92919 + ... + 93825.

It is an arithmetic number, because the mean of its divisors is an integer number (4271232).

Almost surely, 2^84688404 is an apocalyptic number.

It is an amenable number.

84688404 is an abundant number, since it is smaller than the sum of its proper divisors (120330732).

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

84688404 is a wasteful number, since it uses less digits than its factorization.

84688404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1194 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The square root of 84688404 is about 9202.6302761765. The cubic root of 84688404 is about 439.1450409165.

The spelling of 84688404 in words is "eighty-four million, six hundred eighty-eight thousand, four hundred four".