349958258 has 32 divisors (see below), whose sum is σ = 579020400. Its totient is φ = 157637376.

The previous prime is 349958239. The next prime is 349958263. The reversal of 349958258 is 852859943.

It can be written as a sum of positive squares in 8 ways, for example, as 123365449 + 226592809 = 11107^2 + 15053^2 .

It is a super-3 number, since 3×349958258³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315008 + ... + 316116.

Almost surely, 2^349958258 is an apocalyptic number.

349958258 is a deficient number, since it is larger than the sum of its proper divisors (229062142).

349958258 is a wasteful number, since it uses less digits than its factorization.

349958258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406.

The product of its digits is 3110400, while the sum is 53.

The square root of 349958258 is about 18707.1712987293. The cubic root of 349958258 is about 704.7018560599.

The spelling of 349958258 in words is "three hundred forty-nine million, nine hundred fifty-eight thousand, two hundred fifty-eight".