84402680 has 32 divisors (see below), whose sum is σ = 190887840. Its totient is φ = 33586560.

The previous prime is 84402667. The next prime is 84402697. The reversal of 84402680 is 8620448.

It is a congruent number.

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, 2525 + ... + 13235.

It is an arithmetic number, because the mean of its divisors is an integer number (5965245).

Almost surely, 2^84402680 is an apocalyptic number.

It is an amenable number.

84402680 is an abundant number, since it is smaller than the sum of its proper divisors (106485160).

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

84402680 is a wasteful number, since it uses less digits than its factorization.

84402680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10919 (or 10915 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 84402680 is about 9187.0931202421. The cubic root of 84402680 is about 438.6506180427.

The spelling of 84402680 in words is "eighty-four million, four hundred two thousand, six hundred eighty".