238297930 has 64 divisors (see below), whose sum is σ = 493516800. Its totient is φ = 82172160.

The previous prime is 238297921. The next prime is 238297957. The reversal of 238297930 is 39792832.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115851 + ... + 117889.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^238297930 is an apocalyptic number.

238297930 is an abundant number, since it is smaller than the sum of its proper divisors (255218870).

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

238297930 is a wasteful number, since it uses less digits than its factorization.

238297930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 238297930 is about 15436.9015673483. The cubic root of 238297930 is about 619.9739236345.

The spelling of 238297930 in words is "two hundred thirty-eight million, two hundred ninety-seven thousand, nine hundred thirty".