8458444 has 12 divisors (see below), whose sum is σ = 15146824. Its totient is φ = 4130784.

The previous prime is 8458441. The next prime is 8458493. The reversal of 8458444 is 4448548.

It is a super-2 number, since 2×8458444² = 143090549802272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8458441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24417 + ... + 24760.

Almost surely, 2^8458444 is an apocalyptic number.

It is an amenable number.

8458444 is a deficient number, since it is larger than the sum of its proper divisors (6688380).

8458444 is a wasteful number, since it uses less digits than its factorization.

8458444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49224 (or 49222 counting only the distinct ones).

The product of its digits is 81920, while the sum is 37.

The square root of 8458444 is about 2908.3404202397. The cubic root of 8458444 is about 203.7496287647.

The spelling of 8458444 in words is "eight million, four hundred fifty-eight thousand, four hundred forty-four".