1379911 has 8 divisors (see below), whose sum is σ = 1496880. Its totient is φ = 1264512.

The previous prime is 1379897. The next prime is 1379923. The reversal of 1379911 is 1199731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1379911 - 2⁵ = 1379879 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2031 + ... + 2623.

It is an arithmetic number, because the mean of its divisors is an integer number (187110).

2^1379911 is an apocalyptic number.

1379911 is a deficient number, since it is larger than the sum of its proper divisors (116969).

1379911 is a wasteful number, since it uses less digits than its factorization.

1379911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785.

The product of its digits is 1701, while the sum is 31.

The square root of 1379911 is about 1174.6961309207. The cubic root of 1379911 is about 111.3312346966.

The spelling of 1379911 in words is "one million, three hundred seventy-nine thousand, nine hundred eleven".