349456799 has 2 divisors, whose sum is σ = 349456800. Its totient is φ = 349456798.

The previous prime is 349456781. The next prime is 349456813. The reversal of 349456799 is 997654943.

It is a strong prime.

It is an emirp because it is prime and its reverse (997654943) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349456799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349456729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174728399 + 174728400.

It is an arithmetic number, because the mean of its divisors is an integer number (174728400).

Almost surely, 2^349456799 is an apocalyptic number.

349456799 is a deficient number, since it is larger than the sum of its proper divisors (1).

349456799 is an equidigital number, since it uses as much as digits as its factorization.

349456799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 56.

The square root of 349456799 is about 18693.7636392461. The cubic root of 349456799 is about 704.3651035079.

The spelling of 349456799 in words is "three hundred forty-nine million, four hundred fifty-six thousand, seven hundred ninety-nine".