3636828 has 72 divisors (see below), whose sum is σ = 10446800. Its totient is φ = 1057536.

The previous prime is 3636799. The next prime is 3636839. The reversal of 3636828 is 8286363.

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

It is a junction number, because it is equal to n+sod(n) for n = 3636792 and 3636801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8688 + ... + 9096.

Almost surely, 2^3636828 is an apocalyptic number.

3636828 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3636828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5223400).

3636828 is an abundant number, since it is smaller than the sum of its proper divisors (6809972).

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

3636828 is a wasteful number, since it uses less digits than its factorization.

3636828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 446 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 3636828 is about 1907.0469317770. The cubic root of 3636828 is about 153.7827374270.

It can be divided in two parts, 36 and 36828, that added together give a square (36864 = 192²).

The spelling of 3636828 in words is "three million, six hundred thirty-six thousand, eight hundred twenty-eight".