84344425 has 12 divisors (see below), whose sum is σ = 114095376. Its totient is φ = 61341200.

The previous prime is 84344417. The next prime is 84344437. The reversal of 84344425 is 52444348.

It is not a de Polignac number, because 84344425 - 2³ = 84344417 is a prime.

It is a super-2 number, since 2×84344425² = 14227964057161250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153079 + ... + 153628.

It is an arithmetic number, because the mean of its divisors is an integer number (9507948).

Almost surely, 2^84344425 is an apocalyptic number.

It is an amenable number.

84344425 is a deficient number, since it is larger than the sum of its proper divisors (29750951).

84344425 is a wasteful number, since it uses less digits than its factorization.

84344425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306728 (or 306723 counting only the distinct ones).

The product of its digits is 61440, while the sum is 34.

The square root of 84344425 is about 9183.9220924396. The cubic root of 84344425 is about 438.5496754618.

The spelling of 84344425 in words is "eighty-four million, three hundred forty-four thousand, four hundred twenty-five".