84618988 has 12 divisors (see below), whose sum is σ = 151234272. Its totient is φ = 41409200.

The previous prime is 84618953. The next prime is 84618991. The reversal of 84618988 is 88981648.

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, 224863 + ... + 225238.

It is an arithmetic number, because the mean of its divisors is an integer number (12602856).

Almost surely, 2^84618988 is an apocalyptic number.

It is an amenable number.

84618988 is a deficient number, since it is larger than the sum of its proper divisors (66615284).

84618988 is a wasteful number, since it uses less digits than its factorization.

84618988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450152 (or 450150 counting only the distinct ones).

The product of its digits is 884736, while the sum is 52.

The square root of 84618988 is about 9198.8579725964. The cubic root of 84618988 is about 439.0250243880.

The spelling of 84618988 in words is "eighty-four million, six hundred eighteen thousand, nine hundred eighty-eight".