10399599 has 24 divisors (see below), whose sum is σ = 17252352. Its totient is φ = 5913360.

The previous prime is 10399573. The next prime is 10399619. The reversal of 10399599 is 99599301.

It is not a de Polignac number, because 10399599 - 2⁵ = 10399567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10399559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23914 + ... + 24344.

It is an arithmetic number, because the mean of its divisors is an integer number (718848).

Almost surely, 2^10399599 is an apocalyptic number.

10399599 is a deficient number, since it is larger than the sum of its proper divisors (6852753).

10399599 is a wasteful number, since it uses less digits than its factorization.

10399599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 98415, while the sum is 45.

The square root of 10399599 is about 3224.8409263094. The cubic root of 10399599 is about 218.2757711368.

The spelling of 10399599 in words is "ten million, three hundred ninety-nine thousand, five hundred ninety-nine".