238983973 has 4 divisors (see below), whose sum is σ = 239237280. Its totient is φ = 238730668.

The previous prime is 238983959. The next prime is 238984003. The reversal of 238983973 is 379389832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238983973 - 2²⁵ = 205429541 is a prime.

It is a super-2 number, since 2×238983973² = 114226678701729458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238983973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238981973) 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, 125233 + ... + 127126.

It is an arithmetic number, because the mean of its divisors is an integer number (59809320).

Almost surely, 2^238983973 is an apocalyptic number.

It is an amenable number.

238983973 is a deficient number, since it is larger than the sum of its proper divisors (253307).

238983973 is an equidigital number, since it uses as much as digits as its factorization.

238983973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253306.

The product of its digits is 1959552, while the sum is 52.

The square root of 238983973 is about 15459.1064748258. The cubic root of 238983973 is about 620.5683073934.

The spelling of 238983973 in words is "two hundred thirty-eight million, nine hundred eighty-three thousand, nine hundred seventy-three".