346232989 has 2 divisors, whose sum is σ = 346232990. Its totient is φ = 346232988.

The previous prime is 346232981. The next prime is 346233049. The reversal of 346232989 is 989232643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340107364 + 6125625 = 18442^2 + 2475^2 .

It is a cyclic number.

It is not a de Polignac number, because 346232989 - 2³ = 346232981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346232981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173116494 + 173116495.

It is an arithmetic number, because the mean of its divisors is an integer number (173116495).

Almost surely, 2^346232989 is an apocalyptic number.

It is an amenable number.

346232989 is a deficient number, since it is larger than the sum of its proper divisors (1).

346232989 is an equidigital number, since it uses as much as digits as its factorization.

346232989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 46.

The square root of 346232989 is about 18607.3369669064. The cubic root of 346232989 is about 702.1924382395.

The spelling of 346232989 in words is "three hundred forty-six million, two hundred thirty-two thousand, nine hundred eighty-nine".