38856780 has 96 divisors (see below), whose sum is σ = 123540480. Its totient is φ = 10134720.

The previous prime is 38856773. The next prime is 38856833. The reversal of 38856780 is 8765883.

38856780 is a `hidden beast` number, since 3 + 8 + 8 + 567 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24615 + ... + 26145.

It is an arithmetic number, because the mean of its divisors is an integer number (1286880).

Almost surely, 2^38856780 is an apocalyptic number.

38856780 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 38856780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61770240).

38856780 is an abundant number, since it is smaller than the sum of its proper divisors (84683700).

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

38856780 is a wasteful number, since it uses less digits than its factorization.

38856780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 38856780 is about 6233.5206745466. The cubic root of 38856780 is about 338.7055160516.

The spelling of 38856780 in words is "thirty-eight million, eight hundred fifty-six thousand, seven hundred eighty".