238078280 has 32 divisors (see below), whose sum is σ = 584375040. Its totient is φ = 86573760.

The previous prime is 238078277. The next prime is 238078307. The reversal of 238078280 is 82870832.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 270104 + ... + 270983.

It is an arithmetic number, because the mean of its divisors is an integer number (18261720).

Almost surely, 2^238078280 is an apocalyptic number.

238078280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238078280 is an abundant number, since it is smaller than the sum of its proper divisors (346296760).

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

238078280 is a wasteful number, since it uses less digits than its factorization.

238078280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541109 (or 541105 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 238078280 is about 15429.7854813345. The cubic root of 238078280 is about 619.7833790586.

The spelling of 238078280 in words is "two hundred thirty-eight million, seventy-eight thousand, two hundred eighty".