10003992 has 16 divisors (see below), whose sum is σ = 25010040. Its totient is φ = 3334656.

The previous prime is 10003957. The next prime is 10003999. The reversal of 10003992 is 29930001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 416833 = 10003992 / (1 + 0 + 0 + 0 + 3 + 9 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208393 + ... + 208440.

Almost surely, 2^10003992 is an apocalyptic number.

10003992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10003992 is an abundant number, since it is smaller than the sum of its proper divisors (15006048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10003992 is a wasteful number, since it uses less digits than its factorization.

10003992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416842 (or 416838 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 10003992 is about 3162.9087878091. The cubic root of 10003992 is about 215.4721335335.

Adding to 10003992 its reverse (29930001), we get a palindrome (39933993).

The spelling of 10003992 in words is "ten million, three thousand, nine hundred ninety-two".