1379397 has 24 divisors (see below), whose sum is σ = 2053216. Its totient is φ = 822528.

The previous prime is 1379387. The next prime is 1379423. The reversal of 1379397 is 7939731.

It is not a de Polignac number, because 1379397 - 2⁸ = 1379141 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 (1379387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32058 + ... + 32100.

2^1379397 is an apocalyptic number.

1379397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1379397 is a deficient number, since it is larger than the sum of its proper divisors (673819).

1379397 is a wasteful number, since it uses less digits than its factorization.

1379397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 100 counting only the distinct ones).

The product of its digits is 35721, while the sum is 39.

The square root of 1379397 is about 1174.4773305603. The cubic root of 1379397 is about 111.3174098047.

The spelling of 1379397 in words is "one million, three hundred seventy-nine thousand, three hundred ninety-seven".