84344404 has 12 divisors (see below), whose sum is σ = 154020384. Its totient is φ = 40338584.

The previous prime is 84344399. The next prime is 84344411. The reversal of 84344404 is 40444348.

It is a super-2 number, since 2×84344404² = 14227956972230432, 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 3 ways as a sum of consecutive naturals, for example, 458302 + ... + 458485.

It is an arithmetic number, because the mean of its divisors is an integer number (12835032).

Almost surely, 2^84344404 is an apocalyptic number.

It is an amenable number.

84344404 is a deficient number, since it is larger than the sum of its proper divisors (69675980).

84344404 is a wasteful number, since it uses less digits than its factorization.

84344404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916814 (or 916812 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

The square root of 84344404 is about 9183.9209491371. The cubic root of 84344404 is about 438.5496390652.

It can be divided in two parts, 84344 and 404, that added together give a palindrome (84748).

The spelling of 84344404 in words is "eighty-four million, three hundred forty-four thousand, four hundred four".