84508144 has 30 divisors (see below), whose sum is σ = 190468464. Its totient is φ = 36217440.

The previous prime is 84508133. The next prime is 84508147. The reversal of 84508144 is 44180548.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84508147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53112 + ... + 54679.

Almost surely, 2^84508144 is an apocalyptic number.

It is an amenable number.

84508144 is an abundant number, since it is smaller than the sum of its proper divisors (105960320).

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

84508144 is a wasteful number, since it uses less digits than its factorization.

84508144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107813 (or 107800 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 84508144 is about 9192.8311199543. The cubic root of 84508144 is about 438.8332449197.

The spelling of 84508144 in words is "eighty-four million, five hundred eight thousand, one hundred forty-four".