84404120 has 16 divisors (see below), whose sum is σ = 189909360. Its totient is φ = 33761632.

The previous prime is 84404119. The next prime is 84404147. The reversal of 84404120 is 2140448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055012 + ... + 1055091.

It is an arithmetic number, because the mean of its divisors is an integer number (11869335).

Almost surely, 2^84404120 is an apocalyptic number.

It is an amenable number.

84404120 is an abundant number, since it is smaller than the sum of its proper divisors (105505240).

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

84404120 is a wasteful number, since it uses less digits than its factorization.

84404120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110114 (or 2110110 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 84404120 is about 9187.1714907255. The cubic root of 84404120 is about 438.6531126448.

Adding to 84404120 its reverse (2140448), we get a palindrome (86544568).

The spelling of 84404120 in words is "eighty-four million, four hundred four thousand, one hundred twenty".