344445628 has 6 divisors (see below), whose sum is σ = 602779856. Its totient is φ = 172222812.

The previous prime is 344445571. The next prime is 344445641. The reversal of 344445628 is 826544443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43055700 + ... + 43055707.

Almost surely, 2^344445628 is an apocalyptic number.

It is an amenable number.

344445628 is a deficient number, since it is larger than the sum of its proper divisors (258334228).

344445628 is a wasteful number, since it uses less digits than its factorization.

344445628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86111411 (or 86111409 counting only the distinct ones).

The product of its digits is 368640, while the sum is 40.

The square root of 344445628 is about 18559.2464286673. The cubic root of 344445628 is about 700.9820420402.

The spelling of 344445628 in words is "three hundred forty-four million, four hundred forty-five thousand, six hundred twenty-eight".