10399458 has 32 divisors (see below), whose sum is σ = 21902400. Its totient is φ = 3286976.

The previous prime is 10399451. The next prime is 10399531. The reversal of 10399458 is 85499301.

It is not an unprimeable number, because it can be changed into a prime (10399451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9760 + ... + 10772.

It is an arithmetic number, because the mean of its divisors is an integer number (684450).

Almost surely, 2^10399458 is an apocalyptic number.

10399458 is an abundant number, since it is smaller than the sum of its proper divisors (11502942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10399458 is a wasteful number, since it uses less digits than its factorization.

10399458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 10399458 is about 3224.8190646918. The cubic root of 10399458 is about 218.2747846557.

The spelling of 10399458 in words is "ten million, three hundred ninety-nine thousand, four hundred fifty-eight".