1379957 has 2 divisors, whose sum is σ = 1379958. Its totient is φ = 1379956.

The previous prime is 1379953. The next prime is 1379969. The reversal of 1379957 is 7599731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1378276 + 1681 = 1174^2 + 41^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379957 - 2² = 1379953 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689978 + 689979.

It is an arithmetic number, because the mean of its divisors is an integer number (689979).

2^1379957 is an apocalyptic number.

It is an amenable number.

1379957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379957 is an equidigital number, since it uses as much as digits as its factorization.

1379957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59535, while the sum is 41.

The square root of 1379957 is about 1174.7157102891. The cubic root of 1379957 is about 111.3324717763.

The spelling of 1379957 in words is "one million, three hundred seventy-nine thousand, nine hundred fifty-seven".