238533130 has 16 divisors (see below), whose sum is σ = 468392544. Its totient is φ = 86739280.

The previous prime is 238533109. The next prime is 238533143. The reversal of 238533130 is 31335832.

It is a happy number.

It is a super-3 number, since 3×238533130³ (a number of 26 digits) contains 333 as substring.

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, 1084132 + ... + 1084351.

It is an arithmetic number, because the mean of its divisors is an integer number (29274534).

Almost surely, 2^238533130 is an apocalyptic number.

238533130 is a deficient number, since it is larger than the sum of its proper divisors (229859414).

238533130 is a wasteful number, since it uses less digits than its factorization.

238533130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168501.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 238533130 is about 15444.5177975876. The cubic root of 238533130 is about 620.1778279362.

Adding to 238533130 its reverse (31335832), we get a palindrome (269868962).

The spelling of 238533130 in words is "two hundred thirty-eight million, five hundred thirty-three thousand, one hundred thirty".