349837492 has 12 divisors (see below), whose sum is σ = 648228420. Its totient is φ = 164629376.

The previous prime is 349837487. The next prime is 349837493. The reversal of 349837492 is 294738943.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99121936 + 250715556 = 9956^2 + 15834^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349837493) 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 3 ways as a sum of consecutive naturals, for example, 2572267 + ... + 2572402.

It is an arithmetic number, because the mean of its divisors is an integer number (54019035).

Almost surely, 2^349837492 is an apocalyptic number.

It is an amenable number.

349837492 is a deficient number, since it is larger than the sum of its proper divisors (298390928).

349837492 is a wasteful number, since it uses less digits than its factorization.

349837492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144690 (or 5144688 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 349837492 is about 18703.9432206153. The cubic root of 349837492 is about 704.6207856144.

The spelling of 349837492 in words is "three hundred forty-nine million, eight hundred thirty-seven thousand, four hundred ninety-two".