237998 has 8 divisors (see below), whose sum is σ = 360192. Its totient is φ = 117936.

The previous prime is 237997. The next prime is 238001. The reversal of 237998 is 899732.

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

It is a d-powerful number, because it can be written as 2⁹ + 3¹¹ + 9³ + 7² + 9⁵ + 8³ .

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 237998.

It is not an unprimeable number, because it can be changed into a prime (237997) 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, 215 + ... + 722.

It is an arithmetic number, because the mean of its divisors is an integer number (45024).

2²³⁷⁹⁹⁸ is an apocalyptic number.

237998 is a deficient number, since it is larger than the sum of its proper divisors (122194).

237998 is a wasteful number, since it uses less digits than its factorization.

237998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066.

The product of its digits is 27216, while the sum is 38.

The square root of 237998 is about 487.8503869016. The cubic root of 237998 is about 61.9713707572.

The spelling of 237998 in words is "two hundred thirty-seven thousand, nine hundred ninety-eight".