349407274 has 8 divisors (see below), whose sum is σ = 524190240. Its totient is φ = 174677196.

The previous prime is 349407271. The next prime is 349407299. The reversal of 349407274 is 472704943.

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

It is a super-2 number, since 2×349407274² = 244170886248222152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (349407271) 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, 19077 + ... + 32599.

It is an arithmetic number, because the mean of its divisors is an integer number (65523780).

Almost surely, 2^349407274 is an apocalyptic number.

349407274 is a deficient number, since it is larger than the sum of its proper divisors (174782966).

349407274 is a wasteful number, since it uses less digits than its factorization.

349407274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26444.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 349407274 is about 18692.4389526889. The cubic root of 349407274 is about 704.3318277402.

The spelling of 349407274 in words is "three hundred forty-nine million, four hundred seven thousand, two hundred seventy-four".