84440120 has 64 divisors (see below), whose sum is σ = 194594400. Its totient is φ = 32970240.

The previous prime is 84440099. The next prime is 84440131. The reversal of 84440120 is 2104448.

It is a super-2 number, since 2×84440120² = 14260267731228800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466430 + ... + 466610.

Almost surely, 2^84440120 is an apocalyptic number.

It is an amenable number.

84440120 is an abundant number, since it is smaller than the sum of its proper divisors (110154280).

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

84440120 is a wasteful number, since it uses less digits than its factorization.

84440120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 404 counting only the distinct ones).

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

The square root of 84440120 is about 9189.1305355839. The cubic root of 84440120 is about 438.7154684771.

Adding to 84440120 its reverse (2104448), we get a palindrome (86544568).

The spelling of 84440120 in words is "eighty-four million, four hundred forty thousand, one hundred twenty".