346232981 has 2 divisors, whose sum is σ = 346232982. Its totient is φ = 346232980.

The previous prime is 346232969. The next prime is 346232989. The reversal of 346232981 is 189232643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193488100 + 152744881 = 13910^2 + 12359^2 .

It is an emirp because it is prime and its reverse (189232643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346232981 - 2²² = 342038677 is a prime.

It is a super-2 number, since 2×346232981² = 239754554264292722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346232989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173116490 + 173116491.

It is an arithmetic number, because the mean of its divisors is an integer number (173116491).

Almost surely, 2^346232981 is an apocalyptic number.

It is an amenable number.

346232981 is a deficient number, since it is larger than the sum of its proper divisors (1).

346232981 is an equidigital number, since it uses as much as digits as its factorization.

346232981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 346232981 is about 18607.3367519374. The cubic root of 346232981 is about 702.1924328312.

The spelling of 346232981 in words is "three hundred forty-six million, two hundred thirty-two thousand, nine hundred eighty-one".