38198280 has 32 divisors (see below), whose sum is σ = 114595200. Its totient is φ = 10186176.

The previous prime is 38198221. The next prime is 38198291. The reversal of 38198280 is 8289183.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159040 + ... + 159279.

It is an arithmetic number, because the mean of its divisors is an integer number (3581100).

Almost surely, 2^38198280 is an apocalyptic number.

38198280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38198280 is an abundant number, since it is smaller than the sum of its proper divisors (76396920).

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

38198280 is a wasteful number, since it uses less digits than its factorization.

38198280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318333 (or 318329 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 38198280 is about 6180.4757098463. The cubic root of 38198280 is about 336.7812743598.

The spelling of 38198280 in words is "thirty-eight million, one hundred ninety-eight thousand, two hundred eighty".