1379398 has 4 divisors (see below), whose sum is σ = 2069100. Its totient is φ = 689698.

The previous prime is 1379387. The next prime is 1379423. The reversal of 1379398 is 8939731.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1379398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344848 + ... + 344851.

It is an arithmetic number, because the mean of its divisors is an integer number (517275).

2^1379398 is an apocalyptic number.

1379398 is a deficient number, since it is larger than the sum of its proper divisors (689702).

1379398 is an equidigital number, since it uses as much as digits as its factorization.

1379398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689701.

The product of its digits is 40824, while the sum is 40.

The square root of 1379398 is about 1174.4777562815. The cubic root of 1379398 is about 111.3174367047.

The spelling of 1379398 in words is "one million, three hundred seventy-nine thousand, three hundred ninety-eight".