32820988 has 12 divisors (see below), whose sum is σ = 57729672. Its totient is φ = 16326800.

The previous prime is 32820979. The next prime is 32821013. The reversal of 32820988 is 88902823.

It is a super-2 number, since 2×32820988² = 2154434506592288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32820988.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20038 + ... + 21613.

It is an arithmetic number, because the mean of its divisors is an integer number (4810806).

Almost surely, 2^32820988 is an apocalyptic number.

It is an amenable number.

32820988 is a deficient number, since it is larger than the sum of its proper divisors (24908684).

32820988 is a wasteful number, since it uses less digits than its factorization.

32820988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41852 (or 41850 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 32820988 is about 5728.9604641680. The cubic root of 32820988 is about 320.1723940884.

It can be divided in two parts, 328 and 20988, that added together give a square (21316 = 146²).

The spelling of 32820988 in words is "thirty-two million, eight hundred twenty thousand, nine hundred eighty-eight".