10399475 has 6 divisors (see below), whose sum is σ = 12895380. Its totient is φ = 8319560.

The previous prime is 10399451. The next prime is 10399531. The reversal of 10399475 is 57499301.

It is a happy number.

It is not a de Polignac number, because 10399475 - 2¹⁸ = 10137331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207965 + ... + 208014.

It is an arithmetic number, because the mean of its divisors is an integer number (2149230).

Almost surely, 2^10399475 is an apocalyptic number.

10399475 is a deficient number, since it is larger than the sum of its proper divisors (2495905).

10399475 is an equidigital number, since it uses as much as digits as its factorization.

10399475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415989 (or 415984 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 10399475 is about 3224.8217004976. The cubic root of 10399475 is about 218.2749035936.

The spelling of 10399475 in words is "ten million, three hundred ninety-nine thousand, four hundred seventy-five".