238607987 has 8 divisors (see below), whose sum is σ = 244727952. Its totient is φ = 232502400.

The previous prime is 238607983. The next prime is 238608037. The reversal of 238607987 is 789706832.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238607987 - 2² = 238607983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238607983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35312 + ... + 41522.

It is an arithmetic number, because the mean of its divisors is an integer number (30590994).

Almost surely, 2^238607987 is an apocalyptic number.

238607987 is a deficient number, since it is larger than the sum of its proper divisors (6119965).

238607987 is an equidigital number, since it uses as much as digits as its factorization.

238607987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 238607987 is about 15446.9410240345. The cubic root of 238607987 is about 620.2426963483.

The spelling of 238607987 in words is "two hundred thirty-eight million, six hundred seven thousand, nine hundred eighty-seven".