3696784 has 40 divisors (see below), whose sum is σ = 8818880. Its totient is φ = 1461888.

The previous prime is 3696779. The next prime is 3696787. The reversal of 3696784 is 4876963.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3696784.

It is not an unprimeable number, because it can be changed into a prime (3696787) 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, 187 + ... + 2725.

It is an arithmetic number, because the mean of its divisors is an integer number (220472).

Almost surely, 2^3696784 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 3696784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4409440).

3696784 is an abundant number, since it is smaller than the sum of its proper divisors (5122096).

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

3696784 is a wasteful number, since it uses less digits than its factorization.

3696784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567 (or 2561 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 3696784 is about 1922.7022650426. The cubic root of 3696784 is about 154.6232124589.

The spelling of 3696784 in words is "three million, six hundred ninety-six thousand, seven hundred eighty-four".