1399328 has 24 divisors (see below), whose sum is σ = 3148992. Its totient is φ = 599616.

The previous prime is 1399319. The next prime is 1399351. The reversal of 1399328 is 8239931.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2900 + ... + 3347.

It is an arithmetic number, because the mean of its divisors is an integer number (131208).

2^1399328 is an apocalyptic number.

It is an amenable number.

1399328 is an abundant number, since it is smaller than the sum of its proper divisors (1749664).

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

1399328 is an equidigital number, since it uses as much as digits as its factorization.

1399328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264 (or 6256 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 1399328 is about 1182.9319507055. The cubic root of 1399328 is about 111.8509923205.

The spelling of 1399328 in words is "one million, three hundred ninety-nine thousand, three hundred twenty-eight".