38009000 has 64 divisors (see below), whose sum is σ = 89856000. Its totient is φ = 15048000.

The previous prime is 38008981. The next prime is 38009011. The reversal of 38009000 is 90083.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 190901 + ... + 191099.

It is an arithmetic number, because the mean of its divisors is an integer number (1404000).

Almost surely, 2^38009000 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 38009000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44928000).

38009000 is an abundant number, since it is smaller than the sum of its proper divisors (51847000).

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

38009000 is a wasteful number, since it uses less digits than its factorization.

38009000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 38009000 is about 6165.1439561457. The cubic root of 38009000 is about 336.2240804959.

Adding to 38009000 its reverse (90083), we get a palindrome (38099083).

The spelling of 38009000 in words is "thirty-eight million, nine thousand".