1379679 has 8 divisors (see below), whose sum is σ = 2102400. Its totient is φ = 788376.

The previous prime is 1379663. The next prime is 1379681. The reversal of 1379679 is 9769731.

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

It is not a de Polignac number, because 1379679 - 2⁴ = 1379663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1379679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379629) 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, 32829 + ... + 32870.

It is an arithmetic number, because the mean of its divisors is an integer number (262800).

2^1379679 is an apocalyptic number.

1379679 is a deficient number, since it is larger than the sum of its proper divisors (722721).

1379679 is an equidigital number, since it uses as much as digits as its factorization.

1379679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65709.

The product of its digits is 71442, while the sum is 42.

The square root of 1379679 is about 1174.5973778278. The cubic root of 1379679 is about 111.3249950927.

The spelling of 1379679 in words is "one million, three hundred seventy-nine thousand, six hundred seventy-nine".