346662649 has 2 divisors, whose sum is σ = 346662650. Its totient is φ = 346662648.

The previous prime is 346662611. The next prime is 346662707. The reversal of 346662649 is 946266643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179426025 + 167236624 = 13395^2 + 12932^2 .

It is a cyclic number.

It is not a de Polignac number, because 346662649 - 2⁹ = 346662137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 346662599 and 346662608.

It is not a weakly prime, because it can be changed into another prime (346662149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173331324 + 173331325.

It is an arithmetic number, because the mean of its divisors is an integer number (173331325).

Almost surely, 2^346662649 is an apocalyptic number.

It is an amenable number.

346662649 is a deficient number, since it is larger than the sum of its proper divisors (1).

346662649 is an equidigital number, since it uses as much as digits as its factorization.

346662649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 46.

The square root of 346662649 is about 18618.8788330554. The cubic root of 346662649 is about 702.4827815421.

The spelling of 346662649 in words is "three hundred forty-six million, six hundred sixty-two thousand, six hundred forty-nine".