344045688 has 96 divisors (see below), whose sum is σ = 1016196480. Its totient is φ = 95083200.

The previous prime is 344045651. The next prime is 344045729. The reversal of 344045688 is 886540443.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160383 + ... + 162513.

It is an arithmetic number, because the mean of its divisors is an integer number (10585380).

Almost surely, 2^344045688 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 344045688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508098240).

344045688 is an abundant number, since it is smaller than the sum of its proper divisors (672150792).

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

344045688 is a wasteful number, since it uses less digits than its factorization.

344045688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The square root of 344045688 is about 18548.4686160340. The cubic root of 344045688 is about 700.7106307140.

The spelling of 344045688 in words is "three hundred forty-four million, forty-five thousand, six hundred eighty-eight".