349509358 has 16 divisors (see below), whose sum is σ = 605567664. Its totient is φ = 149522560.

The previous prime is 349509337. The next prime is 349509359. The reversal of 349509358 is 853905943.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349509359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466885 + ... + 467632.

It is an arithmetic number, because the mean of its divisors is an integer number (37847979).

Almost surely, 2^349509358 is an apocalyptic number.

349509358 is a deficient number, since it is larger than the sum of its proper divisors (256058306).

349509358 is a wasteful number, since it uses less digits than its factorization.

349509358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934547.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 349509358 is about 18695.1693760715. The cubic root of 349509358 is about 704.4004143768.

The spelling of 349509358 in words is "three hundred forty-nine million, five hundred nine thousand, three hundred fifty-eight".