4393972 has 24 divisors (see below), whose sum is σ = 8618400. Its totient is φ = 1942560.

The previous prime is 4393969. The next prime is 4393979. The reversal of 4393972 is 2793934.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4393979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279 + ... + 2977.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

Almost surely, 2^4393972 is an apocalyptic number.

It is an amenable number.

4393972 is a deficient number, since it is larger than the sum of its proper divisors (4224428).

4393972 is a wasteful number, since it uses less digits than its factorization.

4393972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751 (or 2749 counting only the distinct ones).

The product of its digits is 40824, while the sum is 37.

The square root of 4393972 is about 2096.1803357536. The cubic root of 4393972 is about 163.7893885784.

The spelling of 4393972 in words is "four million, three hundred ninety-three thousand, nine hundred seventy-two".