84288136 has 32 divisors (see below), whose sum is σ = 161904600. Its totient is φ = 41126400.

The previous prime is 84288133. The next prime is 84288137. The reversal of 84288136 is 63188248.

It can be written as a sum of positive squares in 4 ways, for example, as 75585636 + 8702500 = 8694^2 + 2950^2 .

It is not an unprimeable number, because it can be changed into a prime (84288133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58270 + ... + 59698.

Almost surely, 2^84288136 is an apocalyptic number.

It is an amenable number.

84288136 is a deficient number, since it is larger than the sum of its proper divisors (77616464).

84288136 is a wasteful number, since it uses less digits than its factorization.

84288136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609 (or 1605 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 84288136 is about 9180.8570406036. The cubic root of 84288136 is about 438.4520953463.

The spelling of 84288136 in words is "eighty-four million, two hundred eighty-eight thousand, one hundred thirty-six".