4001304 has 32 divisors (see below), whose sum is σ = 10350000. Its totient is φ = 1287552.

The previous prime is 4001303. The next prime is 4001339. The reversal of 4001304 is 4031004.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 4001304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001303) 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, 2179 + ... + 3570.

Almost surely, 2^4001304 is an apocalyptic number.

It is an amenable number.

4001304 is an abundant number, since it is smaller than the sum of its proper divisors (6348696).

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

4001304 is a wasteful number, since it uses less digits than its factorization.

4001304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5787 (or 5783 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 4001304 is about 2000.3259734353. The cubic root of 4001304 is about 158.7573530808.

Adding to 4001304 its reverse (4031004), we get a palindrome (8032308).

The spelling of 4001304 in words is "four million, one thousand, three hundred four".