38663028 has 48 divisors (see below), whose sum is σ = 100683520. Its totient is φ = 12830400.

The previous prime is 38663021. The next prime is 38663029. The reversal of 38663028 is 82036683.

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 = 38662983 and 38663001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38663021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28608 + ... + 29928.

Almost surely, 2^38663028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38663028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50341760).

38663028 is an abundant number, since it is smaller than the sum of its proper divisors (62020492).

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

38663028 is a wasteful number, since it uses less digits than its factorization.

38663028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605 (or 1597 counting only the distinct ones).

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

The square root of 38663028 is about 6217.9601156649. The cubic root of 38663028 is about 338.1416140362.

The spelling of 38663028 in words is "thirty-eight million, six hundred sixty-three thousand, twenty-eight".