4000344 has 32 divisors (see below), whose sum is σ = 10437120. Its totient is φ = 1275296.

The previous prime is 4000343. The next prime is 4000357. The reversal of 4000344 is 4430004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3072 + ... + 4175.

It is an arithmetic number, because the mean of its divisors is an integer number (326160).

Almost surely, 2^4000344 is an apocalyptic number.

It is an amenable number.

4000344 is an abundant number, since it is smaller than the sum of its proper divisors (6436776).

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

4000344 is a wasteful number, since it uses less digits than its factorization.

4000344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7279 (or 7275 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4000344 is about 2000.0859981511. The cubic root of 4000344 is about 158.7446556161.

Adding to 4000344 its reverse (4430004), we get a palindrome (8430348).

The spelling of 4000344 in words is "four million, three hundred forty-four", and thus it is an aban number.