4004372 has 6 divisors (see below), whose sum is σ = 7007658. Its totient is φ = 2002184.

The previous prime is 4004359. The next prime is 4004387. The reversal of 4004372 is 2734004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3254416 + 749956 = 1804^2 + 866^2 .

It is a super-2 number, since 2×4004372² = 32069990228768, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 500543 + ... + 500550.

It is an arithmetic number, because the mean of its divisors is an integer number (1167943).

Almost surely, 2^4004372 is an apocalyptic number.

It is an amenable number.

4004372 is a deficient number, since it is larger than the sum of its proper divisors (3003286).

4004372 is a wasteful number, since it uses less digits than its factorization.

4004372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001097 (or 1001095 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 4004372 is about 2001.0927015009. The cubic root of 4004372 is about 158.7979184503.

Adding to 4004372 its reverse (2734004), we get a palindrome (6738376).

The spelling of 4004372 in words is "four million, four thousand, three hundred seventy-two".