1399164 has 24 divisors (see below), whose sum is σ = 3516240. Its totient is φ = 430464.

The previous prime is 1399133. The next prime is 1399183. The reversal of 1399164 is 4619931.

It is a congruent number.

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, 4329 + ... + 4640.

It is an arithmetic number, because the mean of its divisors is an integer number (146510).

2^1399164 is an apocalyptic number.

It is an amenable number.

1399164 is an abundant number, since it is smaller than the sum of its proper divisors (2117076).

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

1399164 is a wasteful number, since it uses less digits than its factorization.

1399164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8989 (or 8987 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 1399164 is about 1182.8626293869. The cubic root of 1399164 is about 111.8466225374.

The spelling of 1399164 in words is "one million, three hundred ninety-nine thousand, one hundred sixty-four".