349724258 has 16 divisors (see below), whose sum is σ = 567293496. Its totient is φ = 160738560.

The previous prime is 349724213. The next prime is 349724261. The reversal of 349724258 is 852427943.

It can be written as a sum of positive squares in 4 ways, for example, as 296769529 + 52954729 = 17227^2 + 7277^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21641 + ... + 34172.

Almost surely, 2^349724258 is an apocalyptic number.

349724258 is a deficient number, since it is larger than the sum of its proper divisors (217569238).

349724258 is a wasteful number, since it uses less digits than its factorization.

349724258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56069.

The product of its digits is 483840, while the sum is 44.

The square root of 349724258 is about 18700.9159668718. The cubic root of 349724258 is about 704.5447544649.

The spelling of 349724258 in words is "three hundred forty-nine million, seven hundred twenty-four thousand, two hundred fifty-eight".