3821028 has 12 divisors (see below), whose sum is σ = 8915760. Its totient is φ = 1273672.

The previous prime is 3821009. The next prime is 3821057. The reversal of 3821028 is 8201283.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3820989 and 3821007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159198 + ... + 159221.

It is an arithmetic number, because the mean of its divisors is an integer number (742980).

Almost surely, 2^3821028 is an apocalyptic number.

It is an amenable number.

3821028 is an abundant number, since it is smaller than the sum of its proper divisors (5094732).

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

3821028 is a wasteful number, since it uses less digits than its factorization.

3821028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318426 (or 318424 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 3821028 is about 1954.7449961568. The cubic root of 3821028 is about 156.3363878556.

The spelling of 3821028 in words is "three million, eight hundred twenty-one thousand, twenty-eight".