10399857 has 8 divisors (see below), whose sum is σ = 14933184. Its totient is φ = 6399888.

The previous prime is 10399853. The next prime is 10399877. The reversal of 10399857 is 75899301.

It is a happy number.

10399857 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10399857 - 2² = 10399853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10399853) 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, 133293 + ... + 133370.

It is an arithmetic number, because the mean of its divisors is an integer number (1866648).

Almost surely, 2^10399857 is an apocalyptic number.

It is an amenable number.

10399857 is a deficient number, since it is larger than the sum of its proper divisors (4533327).

10399857 is a wasteful number, since it uses less digits than its factorization.

10399857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266679.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 10399857 is about 3224.8809280344. The cubic root of 10399857 is about 218.2775761642.

The spelling of 10399857 in words is "ten million, three hundred ninety-nine thousand, eight hundred fifty-seven".