1346800399 has 8 divisors (see below), whose sum is σ = 1540942848. Its totient is φ = 1153093560.

The previous prime is 1346800393. The next prime is 1346800457. The reversal of 1346800399 is 9930086431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1346800399 - 2⁷ = 1346800271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346800393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102247 + ... + 114664.

It is an arithmetic number, because the mean of its divisors is an integer number (192617856).

Almost surely, 2^1346800399 is an apocalyptic number.

1346800399 is a deficient number, since it is larger than the sum of its proper divisors (194142449).

1346800399 is an equidigital number, since it uses as much as digits as its factorization.

1346800399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217805.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1346800399 is about 36698.7792576265. The cubic root of 1346800399 is about 1104.3356158504.

The spelling of 1346800399 in words is "one billion, three hundred forty-six million, eight hundred thousand, three hundred ninety-nine".