84689384 has 32 divisors (see below), whose sum is σ = 180012000. Its totient is φ = 37029312.

The previous prime is 84689377. The next prime is 84689399. The reversal of 84689384 is 48398648.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19454 + ... + 23405.

It is an arithmetic number, because the mean of its divisors is an integer number (5625375).

Almost surely, 2^84689384 is an apocalyptic number.

It is an amenable number.

84689384 is an abundant number, since it is smaller than the sum of its proper divisors (95322616).

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

84689384 is a wasteful number, since it uses less digits than its factorization.

84689384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42897 (or 42893 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 84689384 is about 9202.6835216691. The cubic root of 84689384 is about 439.1467348142.

The spelling of 84689384 in words is "eighty-four million, six hundred eighty-nine thousand, three hundred eighty-four".