13830490 has 16 divisors (see below), whose sum is σ = 24964200. Its totient is φ = 5516800.

The previous prime is 13830473. The next prime is 13830491. The reversal of 13830490 is 9403831.

It can be written as a sum of positive squares in 4 ways, for example, as 10909809 + 2920681 = 3303^2 + 1709^2 .

It is not an unprimeable number, because it can be changed into a prime (13830491) by changing a digit.

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, 2286 + ... + 5734.

Almost surely, 2^13830490 is an apocalyptic number.

13830490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13830490 is a deficient number, since it is larger than the sum of its proper divisors (11133710).

13830490 is a wasteful number, since it uses less digits than its factorization.

13830490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13830490 is about 3718.9366759868. The cubic root of 13830490 is about 240.0375519944.

It can be divided in two parts, 138 and 30490, that added together give a triangular number (30628 = T₂₄₇).

The spelling of 13830490 in words is "thirteen million, eight hundred thirty thousand, four hundred ninety".