10399760 has 80 divisors (see below), whose sum is σ = 28272000. Its totient is φ = 3556224.

The previous prime is 10399757. The next prime is 10399789. The reversal of 10399760 is 6799301.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 10399760.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27251 + ... + 27629.

It is an arithmetic number, because the mean of its divisors is an integer number (353400).

Almost surely, 2^10399760 is an apocalyptic number.

10399760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10399760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14136000).

10399760 is an abundant number, since it is smaller than the sum of its proper divisors (17872240).

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

10399760 is an equidigital number, since it uses as much as digits as its factorization.

10399760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 10399760 is about 3224.8658886844. The cubic root of 10399760 is about 218.2768975333.

The spelling of 10399760 in words is "ten million, three hundred ninety-nine thousand, seven hundred sixty".