3818628 has 36 divisors (see below), whose sum is σ = 10531248. Its totient is φ = 1157040.

The previous prime is 3818603. The next prime is 3818641. The reversal of 3818628 is 8268183.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3818592 and 3818601.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4426 + ... + 5217.

Almost surely, 2^3818628 is an apocalyptic number.

It is an amenable number.

3818628 is an abundant number, since it is smaller than the sum of its proper divisors (6712620).

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

3818628 is a wasteful number, since it uses less digits than its factorization.

3818628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9664 (or 9659 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 3818628 is about 1954.1310089142. The cubic root of 3818628 is about 156.3036492038.

It can be divided in two parts, 381 and 8628, that added together give a palindrome (9009).

The spelling of 3818628 in words is "three million, eight hundred eighteen thousand, six hundred twenty-eight".