346838681 has 16 divisors (see below), whose sum is σ = 401587200. Its totient is φ = 293412240.

The previous prime is 346838671. The next prime is 346838683. The reversal of 346838681 is 186838643.

It is a cyclic number.

It is not a de Polignac number, because 346838681 - 2⁶ = 346838617 is a prime.

It is a super-2 number, since 2×346838681² = 240594141275639522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (346838683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247220 + ... + 248618.

It is an arithmetic number, because the mean of its divisors is an integer number (25099200).

Almost surely, 2^346838681 is an apocalyptic number.

It is an amenable number.

346838681 is a deficient number, since it is larger than the sum of its proper divisors (54748519).

346838681 is a wasteful number, since it uses less digits than its factorization.

346838681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844.

The product of its digits is 663552, while the sum is 47.

The square root of 346838681 is about 18623.6054779949. The cubic root of 346838681 is about 702.6016661159.

The spelling of 346838681 in words is "three hundred forty-six million, eight hundred thirty-eight thousand, six hundred eighty-one".