84402620 has 24 divisors (see below), whose sum is σ = 187672464. Its totient is φ = 31774976.

The previous prime is 84402613. The next prime is 84402623. The reversal of 84402620 is 2620448.

It is a self number, because there is not a number n which added to its sum of digits gives 84402620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84402623) 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, 123782 + ... + 124461.

It is an arithmetic number, because the mean of its divisors is an integer number (7819686).

Almost surely, 2^84402620 is an apocalyptic number.

It is an amenable number.

84402620 is an abundant number, since it is smaller than the sum of its proper divisors (103269844).

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

84402620 is a wasteful number, since it uses less digits than its factorization.

84402620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248269 (or 248267 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 84402620 is about 9187.0898547908. The cubic root of 84402620 is about 438.6505141003.

The spelling of 84402620 in words is "eighty-four million, four hundred two thousand, six hundred twenty".