38860220 has 48 divisors (see below), whose sum is σ = 93804480. Its totient is φ = 13246464.

The previous prime is 38860207. The next prime is 38860223. The reversal of 38860220 is 2206883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38860223) 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, 26876 + ... + 28284.

It is an arithmetic number, because the mean of its divisors is an integer number (1954260).

Almost surely, 2^38860220 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 38860220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46902240).

38860220 is an abundant number, since it is smaller than the sum of its proper divisors (54944260).

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

38860220 is a wasteful number, since it uses less digits than its factorization.

38860220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 38860220 is about 6233.7965959758. The cubic root of 38860220 is about 338.7155109833.

The spelling of 38860220 in words is "thirty-eight million, eight hundred sixty thousand, two hundred twenty".