10398730 has 16 divisors (see below), whose sum is σ = 19819080. Its totient is φ = 3914752.

The previous prime is 10398721. The next prime is 10398743. The reversal of 10398730 is 3789301.

It can be written as a sum of positive squares in 4 ways, for example, as 8838729 + 1560001 = 2973^2 + 1249^2 .

It is a super-2 number, since 2×10398730² = 216267171225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10398692 and 10398701.

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 7 ways as a sum of consecutive naturals, for example, 30415 + ... + 30754.

Almost surely, 2^10398730 is an apocalyptic number.

10398730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10398730 is a deficient number, since it is larger than the sum of its proper divisors (9420350).

10398730 is a wasteful number, since it uses less digits than its factorization.

10398730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61193.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 10398730 is about 3224.7061881666. The cubic root of 10398730 is about 218.2696911931.

The spelling of 10398730 in words is "ten million, three hundred ninety-eight thousand, seven hundred thirty".