8404372 has 6 divisors (see below), whose sum is σ = 14707658. Its totient is φ = 4202184.

The previous prime is 8404351. The next prime is 8404381. The reversal of 8404372 is 2734048.

It can be written as a sum of positive squares in only one way, i.e., 7817616 + 586756 = 2796^2 + 766^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8404372.

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, 1050543 + ... + 1050550.

Almost surely, 2^8404372 is an apocalyptic number.

It is an amenable number.

8404372 is a deficient number, since it is larger than the sum of its proper divisors (6303286).

8404372 is a wasteful number, since it uses less digits than its factorization.

8404372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101097 (or 2101095 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 8404372 is about 2899.0294927786. The cubic root of 8404372 is about 203.3145325864.

The spelling of 8404372 in words is "eight million, four hundred four thousand, three hundred seventy-two".