1379089 has 2 divisors, whose sum is σ = 1379090. Its totient is φ = 1379088.

The previous prime is 1379071. The next prime is 1379099. The reversal of 1379089 is 9809731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1345600 + 33489 = 1160^2 + 183^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379089 - 2⁷ = 1378961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1379029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689544 + 689545.

It is an arithmetic number, because the mean of its divisors is an integer number (689545).

2^1379089 is an apocalyptic number.

It is an amenable number.

1379089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379089 is an equidigital number, since it uses as much as digits as its factorization.

1379089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 1379089 is about 1174.3462010838. The cubic root of 1379089 is about 111.3091239826.

The spelling of 1379089 in words is "one million, three hundred seventy-nine thousand, eighty-nine".