349960678 has 8 divisors (see below), whose sum is σ = 531586080. Its totient is φ = 172765320.

The previous prime is 349960669. The next prime is 349960733. The reversal of 349960678 is 876069943.

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

It is a super-2 number, since 2×349960678² = 244944952292439368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107313 + ... + 1107628.

It is an arithmetic number, because the mean of its divisors is an integer number (66448260).

Almost surely, 2^349960678 is an apocalyptic number.

349960678 is a deficient number, since it is larger than the sum of its proper divisors (181625402).

349960678 is a wasteful number, since it uses less digits than its factorization.

349960678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215022.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The square root of 349960678 is about 18707.2359796951. The cubic root of 349960678 is about 704.7034804199.

The spelling of 349960678 in words is "three hundred forty-nine million, nine hundred sixty thousand, six hundred seventy-eight".