3696205828 has 18 divisors (see below), whose sum is σ = 7524419406. Its totient is φ = 1584088128.

The previous prime is 3696205811. The next prime is 3696205829. The reversal of 3696205828 is 8285026963.

It can be written as a sum of positive squares in only one way, i.e., 3477225024 + 218980804 = 58968^2 + 14798^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (3696205829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9428901 + ... + 9429292.

Almost surely, 2^3696205828 is an apocalyptic number.

It is an amenable number.

3696205828 is an abundant number, since it is smaller than the sum of its proper divisors (3828213578).

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

3696205828 is a wasteful number, since it uses less digits than its factorization.

3696205828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18858211 (or 18858202 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 3696205828 is about 60796.4294017338. The cubic root of 3696205828 is about 1546.1515108512.

The spelling of 3696205828 in words is "three billion, six hundred ninety-six million, two hundred five thousand, eight hundred twenty-eight".