4431972 has 12 divisors (see below), whose sum is σ = 10341296. Its totient is φ = 1477320.

The previous prime is 4431961. The next prime is 4431989. The reversal of 4431972 is 2791344.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 184654 + ... + 184677.

Almost surely, 2^4431972 is an apocalyptic number.

It is an amenable number.

4431972 is an abundant number, since it is smaller than the sum of its proper divisors (5909324).

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

4431972 is a wasteful number, since it uses less digits than its factorization.

4431972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369338 (or 369336 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 4431972 is about 2105.2249286003. The cubic root of 4431972 is about 164.2601957303.

It can be divided in two parts, 443 and 1972, that added together give a triangular number (2415 = T₆₉).

The spelling of 4431972 in words is "four million, four hundred thirty-one thousand, nine hundred seventy-two".