3815532 has 96 divisors (see below), whose sum is σ = 11648000. Its totient is φ = 1079568.

The previous prime is 3815527. The next prime is 3815533. The reversal of 3815532 is 2355183.

3815532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3815496 and 3815505.

It is not an unprimeable number, because it can be changed into a prime (3815533) 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 31 ways as a sum of consecutive naturals, for example, 36993 + ... + 37095.

Almost surely, 2^3815532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3815532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5824000).

3815532 is an abundant number, since it is smaller than the sum of its proper divisors (7832468).

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

3815532 is a wasteful number, since it uses less digits than its factorization.

3815532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 115 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 3815532 is about 1953.3386803112. The cubic root of 3815532 is about 156.2613960755.

The spelling of 3815532 in words is "three million, eight hundred fifteen thousand, five hundred thirty-two".