14400487 has 2 divisors, whose sum is σ = 14400488. Its totient is φ = 14400486.

The previous prime is 14400457. The next prime is 14400493. The reversal of 14400487 is 78400441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14400487 - 2²³ = 6011879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14400457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7200243 + 7200244.

It is an arithmetic number, because the mean of its divisors is an integer number (7200244).

Almost surely, 2^14400487 is an apocalyptic number.

14400487 is a deficient number, since it is larger than the sum of its proper divisors (1).

14400487 is an equidigital number, since it uses as much as digits as its factorization.

14400487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 14400487 is about 3794.7973595437. The cubic root of 14400487 is about 243.2908224146.

The spelling of 14400487 in words is "fourteen million, four hundred thousand, four hundred eighty-seven".