1396949 has 2 divisors, whose sum is σ = 1396950. Its totient is φ = 1396948.

The previous prime is 1396939. The next prime is 1396963. The reversal of 1396949 is 9496931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1188100 + 208849 = 1090^2 + 457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1396949 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 (1396909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698474 + 698475.

It is an arithmetic number, because the mean of its divisors is an integer number (698475).

2^1396949 is an apocalyptic number.

It is an amenable number.

1396949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396949 is an equidigital number, since it uses as much as digits as its factorization.

1396949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 41.

The square root of 1396949 is about 1181.9259706090. The cubic root of 1396949 is about 111.7875703425.

The spelling of 1396949 in words is "one million, three hundred ninety-six thousand, nine hundred forty-nine".