84407976 has 48 divisors (see below), whose sum is σ = 238548960. Its totient is φ = 26912160.

The previous prime is 84407963. The next prime is 84407977. The reversal of 84407976 is 67970448.

It is not an unprimeable number, because it can be changed into a prime (84407977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23830 + ... + 27141.

It is an arithmetic number, because the mean of its divisors is an integer number (4969770).

Almost surely, 2^84407976 is an apocalyptic number.

It is an amenable number.

84407976 is an abundant number, since it is smaller than the sum of its proper divisors (154140984).

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

84407976 is a wasteful number, since it uses less digits than its factorization.

84407976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51006 (or 50999 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 84407976 is about 9187.3813461726. The cubic root of 84407976 is about 438.6597924950.

The spelling of 84407976 in words is "eighty-four million, four hundred seven thousand, nine hundred seventy-six".