10399750 has 32 divisors (see below), whose sum is σ = 20621952. Its totient is φ = 3913600.

The previous prime is 10399723. The next prime is 10399751. The reversal of 10399750 is 5799301.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10399751) 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, 3027 + ... + 5473.

It is an arithmetic number, because the mean of its divisors is an integer number (644436).

Almost surely, 2^10399750 is an apocalyptic number.

10399750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10399750 is a deficient number, since it is larger than the sum of its proper divisors (10222202).

10399750 is a wasteful number, since it uses less digits than its factorization.

10399750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481 (or 2471 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 10399750 is about 3224.8643382319. The cubic root of 10399750 is about 218.2768275712.

The spelling of 10399750 in words is "ten million, three hundred ninety-nine thousand, seven hundred fifty".