238678011 has 48 divisors (see below), whose sum is σ = 428893920. Its totient is φ = 125660160.

The previous prime is 238677991. The next prime is 238678031. The reversal of 238678011 is 110876832.

It is an interprime number because it is at equal distance from previous prime (238677991) and next prime (238678031).

It is not a de Polignac number, because 238678011 - 2⁵ = 238677979 is a prime.

It is a super-2 number, since 2×238678011² = 113934385869832242, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (238678031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16425 + ... + 27333.

It is an arithmetic number, because the mean of its divisors is an integer number (8935290).

Almost surely, 2^238678011 is an apocalyptic number.

238678011 is a deficient number, since it is larger than the sum of its proper divisors (190215909).

238678011 is a wasteful number, since it uses less digits than its factorization.

238678011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10956 (or 10953 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 238678011 is about 15449.2074554004. The cubic root of 238678011 is about 620.3033643743.

It can be divided in two parts, 23867 and 8011, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 238678011 in words is "two hundred thirty-eight million, six hundred seventy-eight thousand, eleven".