84604880 has 20 divisors (see below), whose sum is σ = 196706532. Its totient is φ = 33841920.

The previous prime is 84604873. The next prime is 84604889. The reversal of 84604880 is 8840648.

It can be written as a sum of positive squares in 2 ways, for example, as 58308496 + 26296384 = 7636^2 + 5128^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84604889) 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, 528701 + ... + 528860.

Almost surely, 2^84604880 is an apocalyptic number.

84604880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84604880 is an abundant number, since it is smaller than the sum of its proper divisors (112101652).

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

84604880 is a wasteful number, since it uses less digits than its factorization.

84604880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057574 (or 1057568 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 84604880 is about 9198.0911063111. The cubic root of 84604880 is about 439.0006243905. Note that the first 3 decimals are identical.

The spelling of 84604880 in words is "eighty-four million, six hundred four thousand, eight hundred eighty".