1396234799 has 2 divisors, whose sum is σ = 1396234800. Its totient is φ = 1396234798.

The previous prime is 1396234789. The next prime is 1396234831. The reversal of 1396234799 is 9974326931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1396234799 - 2²⁰ = 1395186223 is a prime.

It is a super-2 number, since 2×1396234799² = 3898943227877140802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1396234799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1396234789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698117399 + 698117400.

It is an arithmetic number, because the mean of its divisors is an integer number (698117400).

Almost surely, 2^1396234799 is an apocalyptic number.

1396234799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396234799 is an equidigital number, since it uses as much as digits as its factorization.

1396234799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 53.

The square root of 1396234799 is about 37366.2253780068. The cubic root of 1396234799 is about 1117.6851634115.

The spelling of 1396234799 in words is "one billion, three hundred ninety-six million, two hundred thirty-four thousand, seven hundred ninety-nine".