344042920 has 32 divisors (see below), whose sum is σ = 833643720. Its totient is φ = 127031040.

The previous prime is 344042903. The next prime is 344042977. The reversal of 344042920 is 29240443.

It can be written as a sum of positive squares in 4 ways, for example, as 129185956 + 214856964 = 11366^2 + 14658^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330291 + ... + 331330.

Almost surely, 2^344042920 is an apocalyptic number.

It is an amenable number.

344042920 is an abundant number, since it is smaller than the sum of its proper divisors (489600800).

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

344042920 is a wasteful number, since it uses less digits than its factorization.

344042920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661645 (or 661641 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 344042920 is about 18548.3940005597. The cubic root of 344042920 is about 700.7087515331.

It can be divided in two parts, 3440 and 42920, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 344042920 in words is "three hundred forty-four million, forty-two thousand, nine hundred twenty".