1379893 has 4 divisors (see below), whose sum is σ = 1397440. Its totient is φ = 1362348.

The previous prime is 1379887. The next prime is 1379897. The reversal of 1379893 is 3989731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1379893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8655 + ... + 8812.

It is an arithmetic number, because the mean of its divisors is an integer number (349360).

2^1379893 is an apocalyptic number.

It is an amenable number.

1379893 is a deficient number, since it is larger than the sum of its proper divisors (17547).

1379893 is an equidigital number, since it uses as much as digits as its factorization.

1379893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17546.

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

The square root of 1379893 is about 1174.6884693399. The cubic root of 1379893 is about 111.3307506144.

The spelling of 1379893 in words is "one million, three hundred seventy-nine thousand, eight hundred ninety-three".