1399167 has 32 divisors (see below), whose sum is σ = 2588160. Its totient is φ = 725760.

The previous prime is 1399133. The next prime is 1399183. The reversal of 1399167 is 7619931.

It is not a de Polignac number, because 1399167 - 2⁷ = 1399039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1743 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (80880).

2^1399167 is an apocalyptic number.

1399167 is a deficient number, since it is larger than the sum of its proper divisors (1188993).

1399167 is a wasteful number, since it uses less digits than its factorization.

1399167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 694 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 1399167 is about 1182.8638974962. The cubic root of 1399167 is about 111.8467024755.

The spelling of 1399167 in words is "one million, three hundred ninety-nine thousand, one hundred sixty-seven".