349813274 has 4 divisors (see below), whose sum is σ = 524719914. Its totient is φ = 174906636.

The previous prime is 349813273. The next prime is 349813297. The reversal of 349813274 is 472318943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472318943 = 1301 ⋅363043.

It can be written as a sum of positive squares in only one way, i.e., 349503025 + 310249 = 18695^2 + 557^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (349813273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87453317 + ... + 87453320.

Almost surely, 2^349813274 is an apocalyptic number.

349813274 is a deficient number, since it is larger than the sum of its proper divisors (174906640).

349813274 is a wasteful number, since it uses less digits than its factorization.

349813274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174906639.

The product of its digits is 145152, while the sum is 41.

The square root of 349813274 is about 18703.2958058199. The cubic root of 349813274 is about 704.6045257792.

The spelling of 349813274 in words is "three hundred forty-nine million, eight hundred thirteen thousand, two hundred seventy-four".