10399770 has 24 divisors (see below), whose sum is σ = 27039636. Its totient is φ = 2773248.

The previous prime is 10399757. The next prime is 10399789. The reversal of 10399770 is 7799301.

It can be written as a sum of positive squares in 2 ways, for example, as 10284849 + 114921 = 3207^2 + 339^2 .

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57687 + ... + 57866.

Almost surely, 2^10399770 is an apocalyptic number.

10399770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10399770 is an abundant number, since it is smaller than the sum of its proper divisors (16639866).

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

10399770 is a wasteful number, since it uses less digits than its factorization.

10399770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115566 (or 115563 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 10399770 is about 3224.8674391361. The cubic root of 10399770 is about 218.2769674955.

The spelling of 10399770 in words is "ten million, three hundred ninety-nine thousand, seven hundred seventy".