1403399 has 2 divisors, whose sum is σ = 1403400. Its totient is φ = 1403398.

The previous prime is 1403393. The next prime is 1403407. The reversal of 1403399 is 9933041.

It is a weak prime.

It is an emirp because it is prime and its reverse (9933041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1403399 - 2⁴ = 1403383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1403393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701699 + 701700.

It is an arithmetic number, because the mean of its divisors is an integer number (701700).

2^1403399 is an apocalyptic number.

1403399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403399 is an equidigital number, since it uses as much as digits as its factorization.

1403399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1403399 is about 1184.6514255257. The cubic root of 1403399 is about 111.9593549370.

The spelling of 1403399 in words is "one million, four hundred three thousand, three hundred ninety-nine".