38828620 has 12 divisors (see below), whose sum is σ = 81540144. Its totient is φ = 15531440.

The previous prime is 38828611. The next prime is 38828633. The reversal of 38828620 is 2682883.

It is a super-3 number, since 3×38828620³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 38828620.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970696 + ... + 970735.

It is an arithmetic number, because the mean of its divisors is an integer number (6795012).

Almost surely, 2^38828620 is an apocalyptic number.

It is an amenable number.

38828620 is an abundant number, since it is smaller than the sum of its proper divisors (42711524).

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

38828620 is a wasteful number, since it uses less digits than its factorization.

38828620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941440 (or 1941438 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 38828620 is about 6231.2615095180. The cubic root of 38828620 is about 338.6236748873.

The spelling of 38828620 in words is "thirty-eight million, eight hundred twenty-eight thousand, six hundred twenty".