238490827 has 4 divisors (see below), whose sum is σ = 239377680. Its totient is φ = 237603976.

The previous prime is 238490797. The next prime is 238490839. The reversal of 238490827 is 728094832.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238490827 - 2²³ = 230102219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233490827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443023 + ... + 443560.

It is an arithmetic number, because the mean of its divisors is an integer number (59844420).

Almost surely, 2^238490827 is an apocalyptic number.

238490827 is a deficient number, since it is larger than the sum of its proper divisors (886853).

238490827 is an equidigital number, since it uses as much as digits as its factorization.

238490827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886852.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 238490827 is about 15443.1482217843. The cubic root of 238490827 is about 620.1411636599.

The spelling of 238490827 in words is "two hundred thirty-eight million, four hundred ninety thousand, eight hundred twenty-seven".