1379449 has 2 divisors, whose sum is σ = 1379450. Its totient is φ = 1379448.

The previous prime is 1379447. The next prime is 1379461. The reversal of 1379449 is 9449731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1087849 + 291600 = 1043^2 + 540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379449 - 2¹ = 1379447 is a prime.

Together with 1379447, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1379447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689724 + 689725.

It is an arithmetic number, because the mean of its divisors is an integer number (689725).

2^1379449 is an apocalyptic number.

It is an amenable number.

1379449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379449 is an equidigital number, since it uses as much as digits as its factorization.

1379449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 1379449 is about 1174.4994678585. The cubic root of 1379449 is about 111.3188085880.

The spelling of 1379449 in words is "one million, three hundred seventy-nine thousand, four hundred forty-nine".