8440472 has 16 divisors (see below), whose sum is σ = 15859800. Its totient is φ = 4211200.

The previous prime is 8440457. The next prime is 8440499. The reversal of 8440472 is 2740448.

It is an Ulam number.

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, 4472 + ... + 6072.

Almost surely, 2^8440472 is an apocalyptic number.

It is an amenable number.

8440472 is a deficient number, since it is larger than the sum of its proper divisors (7419328).

8440472 is a wasteful number, since it uses less digits than its factorization.

8440472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266 (or 2262 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 8440472 is about 2905.2490426812. The cubic root of 8440472 is about 203.6052213991.

The spelling of 8440472 in words is "eight million, four hundred forty thousand, four hundred seventy-two".