84377444 has 12 divisors (see below), whose sum is σ = 147787500. Its totient is φ = 42152448.

The previous prime is 84377413. The next prime is 84377453. The reversal of 84377444 is 44477348.

It can be written as a sum of positive squares in 2 ways, for example, as 15288100 + 69089344 = 3910^2 + 8312^2 .

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, 3449 + ... + 13440.

It is an arithmetic number, because the mean of its divisors is an integer number (12315625).

Almost surely, 2^84377444 is an apocalyptic number.

It is an amenable number.

84377444 is a deficient number, since it is larger than the sum of its proper divisors (63410056).

84377444 is a wasteful number, since it uses less digits than its factorization.

84377444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18142 (or 18140 counting only the distinct ones).

The product of its digits is 301056, while the sum is 41.

The square root of 84377444 is about 9185.7195689832. The cubic root of 84377444 is about 438.6068955351.

It can be divided in two parts, 843 and 77444, that added together give a palindrome (78287).

The spelling of 84377444 in words is "eighty-four million, three hundred seventy-seven thousand, four hundred forty-four".