38927820 has 48 divisors (see below), whose sum is σ = 110073600. Its totient is φ = 10278336.

The previous prime is 38927767. The next prime is 38927839. The reversal of 38927820 is 2872983.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3031 + ... + 9329.

It is an arithmetic number, because the mean of its divisors is an integer number (2293200).

Almost surely, 2^38927820 is an apocalyptic number.

38927820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38927820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55036800).

38927820 is an abundant number, since it is smaller than the sum of its proper divisors (71145780).

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

38927820 is a wasteful number, since it uses less digits than its factorization.

38927820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6414 (or 6412 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 38927820 is about 6239.2162969399. The cubic root of 38927820 is about 338.9118034413.

The spelling of 38927820 in words is "thirty-eight million, nine hundred twenty-seven thousand, eight hundred twenty".