3815628 has 12 divisors (see below), whose sum is σ = 8903160. Its totient is φ = 1271872.

The previous prime is 3815627. The next prime is 3815639. The reversal of 3815628 is 8265183.

It is a happy number.

3815628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (3815627) 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 in 3 ways as a sum of consecutive naturals, for example, 158973 + ... + 158996.

It is an arithmetic number, because the mean of its divisors is an integer number (741930).

Almost surely, 2^3815628 is an apocalyptic number.

It is an amenable number.

3815628 is an abundant number, since it is smaller than the sum of its proper divisors (5087532).

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

3815628 is a wasteful number, since it uses less digits than its factorization.

3815628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317976 (or 317974 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 3815628 is about 1953.3632534682. The cubic root of 3815628 is about 156.2627065933.

The spelling of 3815628 in words is "three million, eight hundred fifteen thousand, six hundred twenty-eight".