3813524 has 48 divisors (see below), whose sum is σ = 8043840. Its totient is φ = 1559040.

The previous prime is 3813521. The next prime is 3813539. The reversal of 3813524 is 4253183.

3813524 = 87² + 88² + ... + 229².

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 3813493 and 3813502.

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 15 ways as a sum of consecutive naturals, for example, 33692 + ... + 33804.

It is an arithmetic number, because the mean of its divisors is an integer number (167580).

Almost surely, 2^3813524 is an apocalyptic number.

It is an amenable number.

3813524 is an abundant number, since it is smaller than the sum of its proper divisors (4230316).

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

3813524 is a wasteful number, since it uses less digits than its factorization.

3813524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 198 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 3813524 is about 1952.8246209017. The cubic root of 3813524 is about 156.2339793708.

The spelling of 3813524 in words is "three million, eight hundred thirteen thousand, five hundred twenty-four".