346661985 has 8 divisors (see below), whose sum is σ = 554659200. Its totient is φ = 184886384.

The previous prime is 346661941. The next prime is 346661999. The reversal of 346661985 is 589166643.

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 346661985 - 2⁷ = 346661857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11555385 + ... + 11555414.

It is an arithmetic number, because the mean of its divisors is an integer number (69332400).

Almost surely, 2^346661985 is an apocalyptic number.

It is an amenable number.

346661985 is a deficient number, since it is larger than the sum of its proper divisors (207997215).

346661985 is a wasteful number, since it uses less digits than its factorization.

346661985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23110807.

The product of its digits is 933120, while the sum is 48.

The square root of 346661985 is about 18618.8610016832. The cubic root of 346661985 is about 702.4823330283.

The spelling of 346661985 in words is "three hundred forty-six million, six hundred sixty-one thousand, nine hundred eighty-five".