1394737 has 2 divisors, whose sum is σ = 1394738. Its totient is φ = 1394736.

The previous prime is 1394713. The next prime is 1394747. The reversal of 1394737 is 7374931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1062961 + 331776 = 1031^2 + 576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1394737 is a prime.

It is not a weakly prime, because it can be changed into another prime (1394707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697368 + 697369.

It is an arithmetic number, because the mean of its divisors is an integer number (697369).

2^1394737 is an apocalyptic number.

It is an amenable number.

1394737 is a deficient number, since it is larger than the sum of its proper divisors (1).

1394737 is an equidigital number, since it uses as much as digits as its factorization.

1394737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 34.

The square root of 1394737 is about 1180.9898390757. The cubic root of 1394737 is about 111.7285357999.

The spelling of 1394737 in words is "one million, three hundred ninety-four thousand, seven hundred thirty-seven".