36820428 has 24 divisors (see below), whose sum is σ = 86027760. Its totient is φ = 12257280.

The previous prime is 36820417. The next prime is 36820429. The reversal of 36820428 is 82402863.

36820428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (36820429) 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 7 ways as a sum of consecutive naturals, for example, 10588 + ... + 13628.

It is an arithmetic number, because the mean of its divisors is an integer number (3584490).

Almost surely, 2^36820428 is an apocalyptic number.

It is an amenable number.

36820428 is an abundant number, since it is smaller than the sum of its proper divisors (49207332).

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

36820428 is a wasteful number, since it uses less digits than its factorization.

36820428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057 (or 4055 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 36820428 is about 6067.9838496819. The cubic root of 36820428 is about 332.6822352642.

The spelling of 36820428 in words is "thirty-six million, eight hundred twenty thousand, four hundred twenty-eight".