38861000 has 32 divisors (see below), whose sum is σ = 90937080. Its totient is φ = 15544000.

The previous prime is 38860937. The next prime is 38861003. The reversal of 38861000 is 16883.

It can be written as a sum of positive squares in 4 ways, for example, as 19483396 + 19377604 = 4414^2 + 4402^2 .

It is not an unprimeable number, because it can be changed into a prime (38861003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18431 + ... + 20430.

Almost surely, 2^38861000 is an apocalyptic number.

It is an amenable number.

38861000 is an abundant number, since it is smaller than the sum of its proper divisors (52076080).

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

38861000 is a wasteful number, since it uses less digits than its factorization.

38861000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38882 (or 38868 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 38861000 is about 6233.8591578572. The cubic root of 38861000 is about 338.7177771940.

Adding to 38861000 its reverse (16883), we get a palindrome (38877883).

The spelling of 38861000 in words is "thirty-eight million, eight hundred sixty-one thousand".