1398037 has 2 divisors, whose sum is σ = 1398038. Its totient is φ = 1398036.

The previous prime is 1398031. The next prime is 1398043. The reversal of 1398037 is 7308931.

It is a balanced prime because it is at equal distance from previous prime (1398031) and next prime (1398043).

It can be written as a sum of positive squares in only one way, i.e., 1343281 + 54756 = 1159^2 + 234^2 .

It is a cyclic number.

It is not a de Polignac number, because 1398037 - 2⁷ = 1397909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1398031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699018 + 699019.

It is an arithmetic number, because the mean of its divisors is an integer number (699019).

2^1398037 is an apocalyptic number.

It is an amenable number.

1398037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398037 is an equidigital number, since it uses as much as digits as its factorization.

1398037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1398037 is about 1182.3861467389. The cubic root of 1398037 is about 111.8165843616.

The spelling of 1398037 in words is "one million, three hundred ninety-eight thousand, thirty-seven".