84242408 has 16 divisors (see below), whose sum is σ = 158086500. Its totient is φ = 42086016.

The previous prime is 84242393. The next prime is 84242437. The reversal of 84242408 is 80424248.

It can be written as a sum of positive squares in 2 ways, for example, as 84235684 + 6724 = 9178^2 + 82^2 .

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, 7748 + ... + 15116.

Almost surely, 2^84242408 is an apocalyptic number.

It is an amenable number.

84242408 is a deficient number, since it is larger than the sum of its proper divisors (73844092).

84242408 is a wasteful number, since it uses less digits than its factorization.

84242408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8804 (or 8800 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 84242408 is about 9178.3663034333. The cubic root of 84242408 is about 438.3727913256.

It can be divided in two parts, 8424240 and 8, that added together give a palindrome (8424248).

The spelling of 84242408 in words is "eighty-four million, two hundred forty-two thousand, four hundred eight".