349940674 has 8 divisors (see below), whose sum is σ = 526848768. Its totient is φ = 174324420.

The previous prime is 349940639. The next prime is 349940677. The reversal of 349940674 is 476049943.

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

It is not an unprimeable number, because it can be changed into a prime (349940677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322282 + ... + 323365.

It is an arithmetic number, because the mean of its divisors is an integer number (65856096).

Almost surely, 2^349940674 is an apocalyptic number.

349940674 is a deficient number, since it is larger than the sum of its proper divisors (176908094).

349940674 is a wasteful number, since it uses less digits than its factorization.

349940674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645920.

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 349940674 is about 18706.7013126313. The cubic root of 349940674 is about 704.6900530475.

The spelling of 349940674 in words is "three hundred forty-nine million, nine hundred forty thousand, six hundred seventy-four".