14400490 has 24 divisors (see below), whose sum is σ = 28071468. Its totient is φ = 5316480.

The previous prime is 14400487. The next prime is 14400493. The reversal of 14400490 is 9400441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14400487) and next prime (14400493).

It can be written as a sum of positive squares in 6 ways, for example, as 1390041 + 13010449 = 1179^2 + 3607^2 .

It is a super-2 number, since 2×14400490² = 414748224480200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14400493) 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 11 ways as a sum of consecutive naturals, for example, 2571 + ... + 5950.

Almost surely, 2^14400490 is an apocalyptic number.

14400490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14400490 is a deficient number, since it is larger than the sum of its proper divisors (13670978).

14400490 is a wasteful number, since it uses less digits than its factorization.

14400490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8554 (or 8541 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 14400490 is about 3794.7977548217. The cubic root of 14400490 is about 243.2908393092.

The spelling of 14400490 in words is "fourteen million, four hundred thousand, four hundred ninety".