10398965 has 12 divisors (see below), whose sum is σ = 12929124. Its totient is φ = 8029056.

The previous prime is 10398937. The next prime is 10398977. The reversal of 10398965 is 56989301.

It can be written as a sum of positive squares in 6 ways, for example, as 69169 + 10329796 = 263^2 + 3214^2 .

It is not a de Polignac number, because 10398965 - 2⁶ = 10398901 is a prime.

It is a super-3 number, since 3×10398965³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2969 + ... + 5441.

It is an arithmetic number, because the mean of its divisors is an integer number (1077427).

Almost surely, 2^10398965 is an apocalyptic number.

It is an amenable number.

10398965 is a deficient number, since it is larger than the sum of its proper divisors (2530159).

10398965 is an equidigital number, since it uses as much as digits as its factorization.

10398965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 10398965 is about 3224.7426253889. The cubic root of 10398965 is about 218.2713354000.

The spelling of 10398965 in words is "ten million, three hundred ninety-eight thousand, nine hundred sixty-five".