3563784 has 64 divisors (see below), whose sum is σ = 11318400. Its totient is φ = 1017792.

The previous prime is 3563783. The next prime is 3563789. The reversal of 3563784 is 4873653.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3563783) 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, 334 + ... + 2690.

It is an arithmetic number, because the mean of its divisors is an integer number (176850).

Almost surely, 2^3563784 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 3563784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5659200).

3563784 is an abundant number, since it is smaller than the sum of its proper divisors (7754616).

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

3563784 is a wasteful number, since it uses less digits than its factorization.

3563784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379 (or 2369 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 3563784 is about 1887.7987180841. The cubic root of 3563784 is about 152.7462151830.

It can be divided in two parts, 35637 and 84, that added together give a square (35721 = 189²).

The spelling of 3563784 in words is "three million, five hundred sixty-three thousand, seven hundred eighty-four".