349244420 has 48 divisors (see below), whose sum is σ = 874637568. Its totient is φ = 114533760.

The previous prime is 349244417. The next prime is 349244431. The reversal of 349244420 is 24442943.

It is a super-2 number, since 2×349244420² = 243943329802272800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51011 + ... + 57450.

It is an arithmetic number, because the mean of its divisors is an integer number (18221616).

Almost surely, 2^349244420 is an apocalyptic number.

It is an amenable number.

349244420 is an abundant number, since it is smaller than the sum of its proper divisors (525393148).

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

349244420 is a wasteful number, since it uses less digits than its factorization.

349244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108500 (or 108498 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 349244420 is about 18688.0822986202. The cubic root of 349244420 is about 704.2223842253. Note that the first 3 decimals are identical.

The spelling of 349244420 in words is "three hundred forty-nine million, two hundred forty-four thousand, four hundred twenty".