8190444 has 24 divisors (see below), whose sum is σ = 20117440. Its totient is φ = 2586384.

The previous prime is 8190407. The next prime is 8190449. The reversal of 8190444 is 4440918.

It is not an unprimeable number, because it can be changed into a prime (8190449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17734 + ... + 18189.

Almost surely, 2^8190444 is an apocalyptic number.

It is an amenable number.

8190444 is an abundant number, since it is smaller than the sum of its proper divisors (11926996).

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

8190444 is a wasteful number, since it uses less digits than its factorization.

8190444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35949 (or 35947 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 8190444 is about 2861.8951762774. The cubic root of 8190444 is about 201.5746039123.

It can be divided in two parts, 81 and 90444, that added together give a triangular number (90525 = T₄₂₅).

The spelling of 8190444 in words is "eight million, one hundred ninety thousand, four hundred forty-four".