238009000 has 32 divisors (see below), whose sum is σ = 556943400. Its totient is φ = 95203200.

The previous prime is 238008973. The next prime is 238009033. The reversal of 238009000 is 900832.

It can be written as a sum of positive squares in 4 ways, for example, as 31741956 + 206267044 = 5634^2 + 14362^2 .

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, 118005 + ... + 120004.

Almost surely, 2^238009000 is an apocalyptic number.

238009000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238009000 is an abundant number, since it is smaller than the sum of its proper divisors (318934400).

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

238009000 is a wasteful number, since it uses less digits than its factorization.

238009000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238030 (or 238016 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 238009000 is about 15427.5403094596. The cubic root of 238009000 is about 619.7232549149.

Adding to 238009000 its reverse (900832), we get a palindrome (238909832).

The spelling of 238009000 in words is "two hundred thirty-eight million, nine thousand".