349087274 has 4 divisors (see below), whose sum is σ = 523630914. Its totient is φ = 174543636.

The previous prime is 349087273. The next prime is 349087289. The reversal of 349087274 is 472780943.

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., 204919225 + 144168049 = 14315^2 + 12007^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (349087273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87271817 + ... + 87271820.

Almost surely, 2^349087274 is an apocalyptic number.

349087274 is a deficient number, since it is larger than the sum of its proper divisors (174543640).

349087274 is a wasteful number, since it uses less digits than its factorization.

349087274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174543639.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 349087274 is about 18683.8773813146. The cubic root of 349087274 is about 704.1167444241.

The spelling of 349087274 in words is "three hundred forty-nine million, eighty-seven thousand, two hundred seventy-four".