84650144 has 24 divisors (see below), whose sum is σ = 170533440. Its totient is φ = 41340096.

The previous prime is 84650141. The next prime is 84650173. The reversal of 84650144 is 44105648.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 84650144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84650141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29384 + ... + 32135.

It is an arithmetic number, because the mean of its divisors is an integer number (7105560).

Almost surely, 2^84650144 is an apocalyptic number.

It is an amenable number.

84650144 is an abundant number, since it is smaller than the sum of its proper divisors (85883296).

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

84650144 is a wasteful number, since it uses less digits than its factorization.

84650144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61572 (or 61564 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 84650144 is about 9200.5512878305. The cubic root of 84650144 is about 439.0788995508.

The spelling of 84650144 in words is "eighty-four million, six hundred fifty thousand, one hundred forty-four".