1396903 has 2 divisors, whose sum is σ = 1396904. Its totient is φ = 1396902.

The previous prime is 1396877. The next prime is 1396909. The reversal of 1396903 is 3096931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1396903 is a 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, 698451 + 698452.

It is an arithmetic number, because the mean of its divisors is an integer number (698452).

2^1396903 is an apocalyptic number.

1396903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396903 is an equidigital number, since it uses as much as digits as its factorization.

1396903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 1396903 is about 1181.9065106852. The cubic root of 1396903 is about 111.7863433150.

It can be divided in two parts, 139690 and 3, that multiplied together give a triangular number (419070 = T₉₁₅).

The spelling of 1396903 in words is "one million, three hundred ninety-six thousand, nine hundred three".