238920000 has 280 divisors, whose sum is σ = 866497632. Its totient is φ = 57600000.

The previous prime is 238919977. The next prime is 238920013. The reversal of 238920000 is 29832.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1319910 + ... + 1320090.

Almost surely, 2^238920000 is an apocalyptic number.

238920000 is a gapful number since it is divisible by the number (20) 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 238920000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433248816).

238920000 is an abundant number, since it is smaller than the sum of its proper divisors (627577632).

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

238920000 is a wasteful number, since it uses less digits than its factorization.

238920000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 238920000 is about 15457.0372322771. The cubic root of 238920000 is about 620.5129296782.

Adding to 238920000 its reverse (29832), we get a palindrome (238949832).

The spelling of 238920000 in words is "two hundred thirty-eight million, nine hundred twenty thousand".