14390487 has 8 divisors (see below), whose sum is σ = 21319280. Its totient is φ = 9593640.

The previous prime is 14390477. The next prime is 14390489. The reversal of 14390487 is 78409341.

It is a happy number.

It is not a de Polignac number, because 14390487 - 2⁷ = 14390359 is a prime.

It is a super-2 number, since 2×14390487² = 414172232194338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14390489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266464 + ... + 266517.

It is an arithmetic number, because the mean of its divisors is an integer number (2664910).

Almost surely, 2^14390487 is an apocalyptic number.

14390487 is a deficient number, since it is larger than the sum of its proper divisors (6928793).

14390487 is an equidigital number, since it uses as much as digits as its factorization.

14390487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532990 (or 532984 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 14390487 is about 3793.4795373114. The cubic root of 14390487 is about 243.2344939586.

The spelling of 14390487 in words is "fourteen million, three hundred ninety thousand, four hundred eighty-seven".