10040392 has 8 divisors (see below), whose sum is σ = 18825750. Its totient is φ = 5020192.

The previous prime is 10040363. The next prime is 10040399. The reversal of 10040392 is 29304001.

It can be written as a sum of positive squares in only one way, i.e., 9696996 + 343396 = 3114^2 + 586^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (10040399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627517 + ... + 627532.

Almost surely, 2^10040392 is an apocalyptic number.

It is an amenable number.

10040392 is a deficient number, since it is larger than the sum of its proper divisors (8785358).

10040392 is a wasteful number, since it uses less digits than its factorization.

10040392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255055 (or 1255051 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 10040392 is about 3168.6577599987. The cubic root of 10040392 is about 215.7331524095.

Adding to 10040392 its reverse (29304001), we get a palindrome (39344393).

The spelling of 10040392 in words is "ten million, forty thousand, three hundred ninety-two".