1408999 has 2 divisors, whose sum is σ = 1409000. Its totient is φ = 1408998.

The previous prime is 1408993. The next prime is 1409017. The reversal of 1408999 is 9998041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1408999 - 2³ = 1408991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1408991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704499 + 704500.

It is an arithmetic number, because the mean of its divisors is an integer number (704500).

2^1408999 is an apocalyptic number.

1408999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408999 is an equidigital number, since it uses as much as digits as its factorization.

1408999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 1408999 is about 1187.0126368325. The cubic root of 1408999 is about 112.1080748883.

The spelling of 1408999 in words is "one million, four hundred eight thousand, nine hundred ninety-nine".