3815604 has 72 divisors (see below), whose sum is σ = 10762752. Its totient is φ = 1131840.

The previous prime is 3815597. The next prime is 3815627. The reversal of 3815604 is 4065183.

3815604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 14377 + ... + 14639.

Almost surely, 2^3815604 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 3815604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5381376).

3815604 is an abundant number, since it is smaller than the sum of its proper divisors (6947148).

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

3815604 is a wasteful number, since it uses less digits than its factorization.

3815604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3815604 is about 1953.3571102080. The cubic root of 3815604 is about 156.2623789659.

The spelling of 3815604 in words is "three million, eight hundred fifteen thousand, six hundred four".