349354492 has 12 divisors (see below), whose sum is σ = 613751040. Its totient is φ = 173997056.

The previous prime is 349354457. The next prime is 349354493. The reversal of 349354492 is 294453943.

It is a super-2 number, since 2×349354492² = 244097122161156128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349354493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168892 + ... + 170947.

It is an arithmetic number, because the mean of its divisors is an integer number (51145920).

Almost surely, 2^349354492 is an apocalyptic number.

It is an amenable number.

349354492 is a deficient number, since it is larger than the sum of its proper divisors (264396548).

349354492 is a wasteful number, since it uses less digits than its factorization.

349354492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340100 (or 340098 counting only the distinct ones).

The product of its digits is 466560, while the sum is 43.

The square root of 349354492 is about 18691.0270450824. The cubic root of 349354492 is about 704.2963601380.

The spelling of 349354492 in words is "three hundred forty-nine million, three hundred fifty-four thousand, four hundred ninety-two".