349631079 has 16 divisors (see below), whose sum is σ = 534021120. Its totient is φ = 199320480.

The previous prime is 349631057. The next prime is 349631081. The reversal of 349631079 is 970136943.

It is not a de Polignac number, because 349631079 - 2¹⁷ = 349500007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349631079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349632079) 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 in 15 ways as a sum of consecutive naturals, for example, 10264 + ... + 28365.

It is an arithmetic number, because the mean of its divisors is an integer number (33376320).

Almost surely, 2^349631079 is an apocalyptic number.

349631079 is a deficient number, since it is larger than the sum of its proper divisors (184390041).

349631079 is a wasteful number, since it uses less digits than its factorization.

349631079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39070.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 349631079 is about 18698.4245058240. The cubic root of 349631079 is about 704.4821769671.

The spelling of 349631079 in words is "three hundred forty-nine million, six hundred thirty-one thousand, seventy-nine".