4018304 has 16 divisors (see below), whose sum is σ = 8005470. Its totient is φ = 2009088.

The previous prime is 4018297. The next prime is 4018309. The reversal of 4018304 is 4038104.

It can be written as a sum of positive squares in only one way, i.e., 2190400 + 1827904 = 1480^2 + 1352^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×4018304² = 32293534072832, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4018309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15569 + ... + 15824.

Almost surely, 2^4018304 is an apocalyptic number.

It is an amenable number.

4018304 is a deficient number, since it is larger than the sum of its proper divisors (3987166).

4018304 is an equidigital number, since it uses as much as digits as its factorization.

4018304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31407 (or 31395 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4018304 is about 2004.5707769994. The cubic root of 4018304 is about 158.9818683753.

The spelling of 4018304 in words is "four million, eighteen thousand, three hundred four".