10398975 has 24 divisors (see below), whose sum is σ = 17482512. Its totient is φ = 5452800.

The previous prime is 10398937. The next prime is 10398977. The reversal of 10398975 is 57989301.

It is a happy number.

It is not a de Polignac number, because 10398975 - 2⁷ = 10398847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10398977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3439 + ... + 5711.

It is an arithmetic number, because the mean of its divisors is an integer number (728438).

Almost surely, 2^10398975 is an apocalyptic number.

10398975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10398975 is a deficient number, since it is larger than the sum of its proper divisors (7083537).

10398975 is a wasteful number, since it uses less digits than its factorization.

10398975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347 (or 2342 counting only the distinct ones).

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

The square root of 10398975 is about 3224.7441758998. The cubic root of 10398975 is about 218.2714053657.

The spelling of 10398975 in words is "ten million, three hundred ninety-eight thousand, nine hundred seventy-five".