346549666 has 4 divisors (see below), whose sum is σ = 519824502. Its totient is φ = 173274832.

The previous prime is 346549649. The next prime is 346549667. The reversal of 346549666 is 666945643.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 291419041 + 55130625 = 17071^2 + 7425^2 .

It is not an unprimeable number, because it can be changed into a prime (346549667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86637415 + ... + 86637418.

Almost surely, 2^346549666 is an apocalyptic number.

346549666 is a deficient number, since it is larger than the sum of its proper divisors (173274836).

346549666 is a wasteful number, since it uses less digits than its factorization.

346549666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173274835.

The product of its digits is 2799360, while the sum is 49.

The square root of 346549666 is about 18615.8444879624. The cubic root of 346549666 is about 702.4064563919.

The spelling of 346549666 in words is "three hundred forty-six million, five hundred forty-nine thousand, six hundred sixty-six".