344705480 has 32 divisors (see below), whose sum is σ = 886386240. Its totient is φ = 118184640.

The previous prime is 344705479. The next prime is 344705507. The reversal of 344705480 is 84507443.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 344705480.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615266 + ... + 615825.

It is an arithmetic number, because the mean of its divisors is an integer number (27699570).

Almost surely, 2^344705480 is an apocalyptic number.

It is an amenable number.

344705480 is an abundant number, since it is smaller than the sum of its proper divisors (541680760).

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

344705480 is a wasteful number, since it uses less digits than its factorization.

344705480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231109 (or 1231105 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 344705480 is about 18566.2457163531. The cubic root of 344705480 is about 701.1582728534.

The spelling of 344705480 in words is "three hundred forty-four million, seven hundred five thousand, four hundred eighty".