4018408 has 8 divisors (see below), whose sum is σ = 7534530. Its totient is φ = 2009200.

The previous prime is 4018403. The next prime is 4018423. The reversal of 4018408 is 8048104.

4018408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4008004 + 10404 = 2002^2 + 102^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4018408² = 32295205708928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4018403) by changing a digit.

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 as a sum of consecutive naturals, namely, 251143 + ... + 251158.

Almost surely, 2^4018408 is an apocalyptic number.

It is an amenable number.

4018408 is a deficient number, since it is larger than the sum of its proper divisors (3516122).

4018408 is a wasteful number, since it uses less digits than its factorization.

4018408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502307 (or 502303 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 4018408 is about 2004.5967175469. The cubic root of 4018408 is about 158.9832399301.

The spelling of 4018408 in words is "four million, eighteen thousand, four hundred eight".