346646667 has 8 divisors (see below), whose sum is σ = 472029696. Its totient is φ = 226180712.

The previous prime is 346646647. The next prime is 346646687. The reversal of 346646667 is 766646643.

It is an interprime number because it is at equal distance from previous prime (346646647) and next prime (346646687).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 346646667 - 2⁷ = 346646539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (346646647) 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 in 7 ways as a sum of consecutive naturals, for example, 1229103 + ... + 1229384.

It is an arithmetic number, because the mean of its divisors is an integer number (59003712).

Almost surely, 2^346646667 is an apocalyptic number.

346646667 is a deficient number, since it is larger than the sum of its proper divisors (125383029).

346646667 is a wasteful number, since it uses less digits than its factorization.

346646667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458537.

The product of its digits is 2612736, while the sum is 48.

The square root of 346646667 is about 18618.4496400748. The cubic root of 346646667 is about 702.4719859820.

The spelling of 346646667 in words is "three hundred forty-six million, six hundred forty-six thousand, six hundred sixty-seven".