3818404 has 24 divisors (see below), whose sum is σ = 7135128. Its totient is φ = 1781760.

The previous prime is 3818393. The next prime is 3818407. The reversal of 3818404 is 4048183.

It can be written as a sum of positive squares in 4 ways, for example, as 921600 + 2896804 = 960^2 + 1702^2 .

It is not an unprimeable number, because it can be changed into a prime (3818407) 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, 15724 + ... + 15964.

It is an arithmetic number, because the mean of its divisors is an integer number (297297).

Almost surely, 2^3818404 is an apocalyptic number.

3818404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3818404 is a deficient number, since it is larger than the sum of its proper divisors (3316724).

3818404 is a wasteful number, since it uses less digits than its factorization.

3818404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 3818404 is about 1954.0736935950. The cubic root of 3818404 is about 156.3005928965.

The spelling of 3818404 in words is "three million, eight hundred eighteen thousand, four hundred four".