84054402 has 16 divisors (see below), whose sum is σ = 186787680. Its totient is φ = 28018116.

The previous prime is 84054391. The next prime is 84054403. The reversal of 84054402 is 20445048.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (84054403) 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, 778228 + ... + 778335.

It is an arithmetic number, because the mean of its divisors is an integer number (11674230).

Almost surely, 2^84054402 is an apocalyptic number.

84054402 is an abundant number, since it is smaller than the sum of its proper divisors (102733278).

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

84054402 is a wasteful number, since it uses less digits than its factorization.

84054402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556574 (or 1556568 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 84054402 is about 9168.1187819530. The cubic root of 84054402 is about 438.0464390619.

The spelling of 84054402 in words is "eighty-four million, fifty-four thousand, four hundred two".