38366280 has 96 divisors (see below), whose sum is σ = 132046200. Its totient is φ = 9627648.

The previous prime is 38366269. The next prime is 38366281. The reversal of 38366280 is 8266383.

It can be written as a sum of positive squares in 4 ways, for example, as 32285124 + 6081156 = 5682^2 + 2466^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (38366281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2986 + ... + 9254.

Almost surely, 2^38366280 is an apocalyptic number.

38366280 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 38366280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66023100).

38366280 is an abundant number, since it is smaller than the sum of its proper divisors (93679920).

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

38366280 is a wasteful number, since it uses less digits than its factorization.

38366280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303 (or 6296 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 38366280 is about 6194.0519855745. The cubic root of 38366280 is about 337.2742852932.

The spelling of 38366280 in words is "thirty-eight million, three hundred sixty-six thousand, two hundred eighty".