1000345344 has 144 divisors (see below), whose sum is σ = 2743407744. Its totient is φ = 323481600.

The previous prime is 1000345337. The next prime is 1000345361. The reversal of 1000345344 is 4435430001.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 6137007 + ... + 6137169.

Almost surely, 2^1000345344 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 1000345344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1371703872).

1000345344 is an abundant number, since it is smaller than the sum of its proper divisors (1743062400).

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

1000345344 is a wasteful number, since it uses less digits than its factorization.

1000345344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1000345344 is about 31628.2364984202. The cubic root of 1000345344 is about 1000.1151014178.

Adding to 1000345344 its reverse (4435430001), we get a palindrome (5435775345).

The spelling of 1000345344 in words is "one billion, three hundred forty-five thousand, three hundred forty-four".