38839776 has 72 divisors (see below), whose sum is σ = 105599592. Its totient is φ = 12499200.

The previous prime is 38839771. The next prime is 38839777. The reversal of 38839776 is 67793883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38839771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92046 + ... + 92466.

It is an arithmetic number, because the mean of its divisors is an integer number (1466661).

Almost surely, 2^38839776 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 38839776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52799796).

38839776 is an abundant number, since it is smaller than the sum of its proper divisors (66759816).

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

38839776 is a wasteful number, since it uses less digits than its factorization.

38839776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 457 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The square root of 38839776 is about 6232.1566090720. The cubic root of 38839776 is about 338.6561022049.

The spelling of 38839776 in words is "thirty-eight million, eight hundred thirty-nine thousand, seven hundred seventy-six".