349231458 has 16 divisors (see below), whose sum is σ = 703964160. Its totient is φ = 115493616.

The previous prime is 349231453. The next prime is 349231483. The reversal of 349231458 is 854132943.

It is a super-2 number, since 2×349231458² = 243925222513611528, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (349231451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228393 + ... + 229916.

It is an arithmetic number, because the mean of its divisors is an integer number (43997760).

Almost surely, 2^349231458 is an apocalyptic number.

349231458 is an abundant number, since it is smaller than the sum of its proper divisors (354732702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349231458 is a wasteful number, since it uses less digits than its factorization.

349231458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458441.

The product of its digits is 103680, while the sum is 39.

The square root of 349231458 is about 18687.7354968439. The cubic root of 349231458 is about 704.2136718518.

The spelling of 349231458 in words is "three hundred forty-nine million, two hundred thirty-one thousand, four hundred fifty-eight".