349213492 has 12 divisors (see below), whose sum is σ = 625336096. Its totient is φ = 170546040.

The previous prime is 349213463. The next prime is 349213499. The reversal of 349213492 is 294312943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349213499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014984 + ... + 1015327.

Almost surely, 2^349213492 is an apocalyptic number.

It is an amenable number.

349213492 is a deficient number, since it is larger than the sum of its proper divisors (276122604).

349213492 is a wasteful number, since it uses less digits than its factorization.

349213492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030358 (or 2030356 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 349213492 is about 18687.2548010670. The cubic root of 349213492 is about 704.2015956967.

The spelling of 349213492 in words is "three hundred forty-nine million, two hundred thirteen thousand, four hundred ninety-two".