349704012 has 96 divisors (see below), whose sum is σ = 951487488. Its totient is φ = 97910784.

The previous prime is 349703989. The next prime is 349704013. The reversal of 349704012 is 210407943.

It is a happy number.

It is a super-2 number, since 2×349704012² = 244585792017792288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (349704013) 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 31 ways as a sum of consecutive naturals, for example, 1360588 + ... + 1360844.

It is an arithmetic number, because the mean of its divisors is an integer number (9911328).

Almost surely, 2^349704012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349704012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475743744).

349704012 is an abundant number, since it is smaller than the sum of its proper divisors (601783476).

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

349704012 is a wasteful number, since it uses less digits than its factorization.

349704012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 349704012 is about 18700.3746486534. The cubic root of 349704012 is about 704.5311585266.

The spelling of 349704012 in words is "three hundred forty-nine million, seven hundred four thousand, twelve".