346799139 has 32 divisors (see below), whose sum is σ = 497664000. Its totient is φ = 214327680.

The previous prime is 346799093. The next prime is 346799161. The reversal of 346799139 is 931997643.

It is not a de Polignac number, because 346799139 - 2¹¹ = 346797091 is a prime.

It is a super-2 number, since 2×346799139² = 240539285622282642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 346799091 and 346799100.

It is not an unprimeable number, because it can be changed into a prime (346799179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401422 + ... + 402284.

It is an arithmetic number, because the mean of its divisors is an integer number (15552000).

Almost surely, 2^346799139 is an apocalyptic number.

346799139 is a deficient number, since it is larger than the sum of its proper divisors (150864861).

346799139 is a wasteful number, since it uses less digits than its factorization.

346799139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075.

The product of its digits is 1102248, while the sum is 51.

The square root of 346799139 is about 18622.5438380475. The cubic root of 346799139 is about 702.5749646238.

The spelling of 346799139 in words is "three hundred forty-six million, seven hundred ninety-nine thousand, one hundred thirty-nine".