1004002344 has 64 divisors (see below), whose sum is σ = 2848262400. Its totient is φ = 327543552.

The previous prime is 1004002331. The next prime is 1004002357. The reversal of 1004002344 is 4432004001.

It is an interprime number because it is at equal distance from previous prime (1004002331) and next prime (1004002357).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39297 + ... + 59600.

It is an arithmetic number, because the mean of its divisors is an integer number (44504100).

Almost surely, 2^1004002344 is an apocalyptic number.

It is an amenable number.

1004002344 is an abundant number, since it is smaller than the sum of its proper divisors (1844260056).

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

1004002344 is a wasteful number, since it uses less digits than its factorization.

1004002344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98959 (or 98949 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1004002344 is about 31685.9960234802. The cubic root of 1004002344 is about 1001.3323387518.

Adding to 1004002344 its reverse (4432004001), we get a palindrome (5436006345).

The spelling of 1004002344 in words is "one billion, four million, two thousand, three hundred forty-four".