4231972 has 6 divisors (see below), whose sum is σ = 7405958. Its totient is φ = 2115984.

The previous prime is 4231967. The next prime is 4231991. The reversal of 4231972 is 2791324.

It can be written as a sum of positive squares in only one way, i.e., 4024036 + 207936 = 2006^2 + 456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4231972.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 528993 + ... + 529000.

Almost surely, 2^4231972 is an apocalyptic number.

It is an amenable number.

4231972 is a deficient number, since it is larger than the sum of its proper divisors (3173986).

4231972 is a wasteful number, since it uses less digits than its factorization.

4231972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057997 (or 1057995 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 4231972 is about 2057.1757338643. The cubic root of 4231972 is about 161.7512312510.

The spelling of 4231972 in words is "four million, two hundred thirty-one thousand, nine hundred seventy-two".