38838280 has 64 divisors (see below), whose sum is σ = 99086400. Its totient is φ = 13582080.

The previous prime is 38838277. The next prime is 38838301. The reversal of 38838280 is 8283883.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 7915 + ... + 11845.

It is an arithmetic number, because the mean of its divisors is an integer number (1548225).

Almost surely, 2^38838280 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 38838280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49543200).

38838280 is an abundant number, since it is smaller than the sum of its proper divisors (60248120).

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

38838280 is a wasteful number, since it uses less digits than its factorization.

38838280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974 (or 3970 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 38838280 is about 6232.0365852585. The cubic root of 38838280 is about 338.6517541191.

The spelling of 38838280 in words is "thirty-eight million, eight hundred thirty-eight thousand, two hundred eighty".