84249988 has 24 divisors (see below), whose sum is σ = 153014400. Its totient is φ = 40541088.

The previous prime is 84249953. The next prime is 84250003. The reversal of 84249988 is 88994248.

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, 41583 + ... + 43561.

It is an arithmetic number, because the mean of its divisors is an integer number (6375600).

Almost surely, 2^84249988 is an apocalyptic number.

It is an amenable number.

84249988 is a deficient number, since it is larger than the sum of its proper divisors (68764412).

84249988 is a wasteful number, since it uses less digits than its factorization.

84249988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379 (or 2377 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 52.

The square root of 84249988 is about 9178.7792216612. The cubic root of 84249988 is about 438.3859389637.

The spelling of 84249988 in words is "eighty-four million, two hundred forty-nine thousand, nine hundred eighty-eight".