3813528 has 32 divisors (see below), whose sum is σ = 10036800. Its totient is φ = 1204128.

The previous prime is 3813521. The next prime is 3813539. The reversal of 3813528 is 8253183.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3813495 and 3813504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813521) 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, 3726 + ... + 4637.

It is an arithmetic number, because the mean of its divisors is an integer number (313650).

Almost surely, 2^3813528 is an apocalyptic number.

3813528 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3813528 is an abundant number, since it is smaller than the sum of its proper divisors (6223272).

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

3813528 is a wasteful number, since it uses less digits than its factorization.

3813528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8391 (or 8387 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 3813528 is about 1952.8256450590. The cubic root of 3813528 is about 156.2340339953.

The spelling of 3813528 in words is "three million, eight hundred thirteen thousand, five hundred twenty-eight".