1399296204 has 18 divisors (see below), whose sum is σ = 3537109940. Its totient is φ = 466432056.

The previous prime is 1399296169. The next prime is 1399296209. The reversal of 1399296204 is 4026929931.

It is a happy number.

1399296204 is a `hidden beast` number, since 13 + 9 + 9 + 2 + 9 + 620 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1399296204.

It is not an unprimeable number, because it can be changed into a prime (1399296209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19434634 + ... + 19434705.

Almost surely, 2^1399296204 is an apocalyptic number.

It is an amenable number.

1399296204 is an abundant number, since it is smaller than the sum of its proper divisors (2137813736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1399296204 is a wasteful number, since it uses less digits than its factorization.

1399296204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38869349 (or 38869344 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 1399296204 is about 37407.1678158077. The cubic root of 1399296204 is about 1118.5014514213.

The spelling of 1399296204 in words is "one billion, three hundred ninety-nine million, two hundred ninety-six thousand, two hundred four".