238379787 has 16 divisors (see below), whose sum is σ = 353566080. Its totient is φ = 158735016.

The previous prime is 238379777. The next prime is 238379803. The reversal of 238379787 is 787973832.

238379787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 238379787 - 2¹¹ = 238377739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238379707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20908 + ... + 30230.

It is an arithmetic number, because the mean of its divisors is an integer number (22097880).

Almost surely, 2^238379787 is an apocalyptic number.

238379787 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

238379787 is a deficient number, since it is larger than the sum of its proper divisors (115186293).

238379787 is an equidigital number, since it uses as much as digits as its factorization.

238379787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10279 (or 10273 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 238379787 is about 15439.5526813441. The cubic root of 238379787 is about 620.0449039624.

The spelling of 238379787 in words is "two hundred thirty-eight million, three hundred seventy-nine thousand, seven hundred eighty-seven".