344425620 has 96 divisors (see below), whose sum is σ = 1202374656. Its totient is φ = 71568000.

The previous prime is 344425603. The next prime is 344425693. The reversal of 344425620 is 26524443.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32656 + ... + 41895.

It is an arithmetic number, because the mean of its divisors is an integer number (12524736).

Almost surely, 2^344425620 is an apocalyptic number.

344425620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

344425620 is an abundant number, since it is smaller than the sum of its proper divisors (857949036).

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

344425620 is a wasteful number, since it uses less digits than its factorization.

344425620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74581 (or 74579 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 344425620 is about 18558.7073903330. The cubic root of 344425620 is about 700.9684690027.

The spelling of 344425620 in words is "three hundred forty-four million, four hundred twenty-five thousand, six hundred twenty".