84945402 has 32 divisors (see below), whose sum is σ = 190142400. Its totient is φ = 28108944.

The previous prime is 84945391. The next prime is 84945407. The reversal of 84945402 is 20454948.

It is not an unprimeable number, because it can be changed into a prime (84945407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848 + ... + 13164.

It is an arithmetic number, because the mean of its divisors is an integer number (5941950).

Almost surely, 2^84945402 is an apocalyptic number.

84945402 is an abundant number, since it is smaller than the sum of its proper divisors (105196998).

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

84945402 is a wasteful number, since it uses less digits than its factorization.

84945402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11467 (or 11461 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 84945402 is about 9216.5829893730. The cubic root of 84945402 is about 439.5888066183.

The spelling of 84945402 in words is "eighty-four million, nine hundred forty-five thousand, four hundred two".