10399669 has 8 divisors (see below), whose sum is σ = 12511040. Its totient is φ = 8444736.

The previous prime is 10399637. The next prime is 10399687. The reversal of 10399669 is 96699301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10399669 - 2⁵ = 10399637 is a prime.

It is a super-2 number, since 2×10399669² = 216306230619122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10399619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38964 + ... + 39229.

It is an arithmetic number, because the mean of its divisors is an integer number (1563880).

Almost surely, 2^10399669 is an apocalyptic number.

10399669 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10399669 is a deficient number, since it is larger than the sum of its proper divisors (2111371).

10399669 is an equidigital number, since it uses as much as digits as its factorization.

10399669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78219.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 10399669 is about 3224.8517795396. The cubic root of 10399669 is about 218.2762608758.

The spelling of 10399669 in words is "ten million, three hundred ninety-nine thousand, six hundred sixty-nine".