84405484 has 6 divisors (see below), whose sum is σ = 147709604. Its totient is φ = 42202740.

The previous prime is 84405449. The next prime is 84405487. The reversal of 84405484 is 48450448.

It is not an unprimeable number, because it can be changed into a prime (84405487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10550682 + ... + 10550689.

Almost surely, 2^84405484 is an apocalyptic number.

It is an amenable number.

84405484 is a deficient number, since it is larger than the sum of its proper divisors (63304120).

84405484 is a wasteful number, since it uses less digits than its factorization.

84405484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21101375 (or 21101373 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 37.

The square root of 84405484 is about 9187.2457243725. The cubic root of 84405484 is about 438.6554755611.

It can be divided in two parts, 8440 and 5484, that added together give a square (13924 = 118²).

The spelling of 84405484 in words is "eighty-four million, four hundred five thousand, four hundred eighty-four".