10399951 has 8 divisors (see below), whose sum is σ = 10936800. Its totient is φ = 9875040.

The previous prime is 10399931. The next prime is 10399957. The reversal of 10399951 is 15999301.

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 10399951 - 2⁵ = 10399919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10399951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10399957) 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, 1171 + ... + 4708.

It is an arithmetic number, because the mean of its divisors is an integer number (1367100).

Almost surely, 2^10399951 is an apocalyptic number.

10399951 is a deficient number, since it is larger than the sum of its proper divisors (536849).

10399951 is an equidigital number, since it uses as much as digits as its factorization.

10399951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969.

The product of its (nonzero) digits is 10935, while the sum is 37.

The square root of 10399951 is about 3224.8955021830. The cubic root of 10399951 is about 218.2782338024.

The spelling of 10399951 in words is "ten million, three hundred ninety-nine thousand, nine hundred fifty-one".