1399458 has 16 divisors (see below), whose sum is σ = 2920896. Its totient is φ = 446160.

The previous prime is 1399441. The next prime is 1399469. The reversal of 1399458 is 8549931.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4933 + ... + 5208.

It is an arithmetic number, because the mean of its divisors is an integer number (182556).

2^1399458 is an apocalyptic number.

1399458 is an abundant number, since it is smaller than the sum of its proper divisors (1521438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1399458 is a wasteful number, since it uses less digits than its factorization.

1399458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10169.

The product of its digits is 38880, while the sum is 39.

The square root of 1399458 is about 1182.9868976451. The cubic root of 1399458 is about 111.8544559303.

The spelling of 1399458 in words is "one million, three hundred ninety-nine thousand, four hundred fifty-eight".