10404399 has 4 divisors (see below), whose sum is σ = 13872536. Its totient is φ = 6936264.

The previous prime is 10404371. The next prime is 10404403. The reversal of 10404399 is 99340401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10404399 - 2⁸ = 10404143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1734064 + ... + 1734069.

It is an arithmetic number, because the mean of its divisors is an integer number (3468134).

Almost surely, 2^10404399 is an apocalyptic number.

10404399 is a deficient number, since it is larger than the sum of its proper divisors (3468137).

10404399 is an equidigital number, since it uses as much as digits as its factorization.

10404399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468136.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 10404399 is about 3225.5850632095. The cubic root of 10404399 is about 218.3093481541.

The spelling of 10404399 in words is "ten million, four hundred four thousand, three hundred ninety-nine".