3811628 has 12 divisors (see below), whose sum is σ = 7021560. Its totient is φ = 1805472.

The previous prime is 3811627. The next prime is 3811631. The reversal of 3811628 is 8261183.

It is a self number, because there is not a number n which added to its sum of digits gives 3811628.

It is not an unprimeable number, because it can be changed into a prime (3811627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25001 + ... + 25152.

It is an arithmetic number, because the mean of its divisors is an integer number (585130).

Almost surely, 2^3811628 is an apocalyptic number.

3811628 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3811628 is a deficient number, since it is larger than the sum of its proper divisors (3209932).

3811628 is a wasteful number, since it uses less digits than its factorization.

3811628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50176 (or 50174 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 3811628 is about 1952.3391098884. The cubic root of 3811628 is about 156.2080830493.

The spelling of 3811628 in words is "three million, eight hundred eleven thousand, six hundred twenty-eight".