238607983 has 2 divisors, whose sum is σ = 238607984. Its totient is φ = 238607982.

The previous prime is 238607953. The next prime is 238608037. The reversal of 238607983 is 389706832.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238607983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238607923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119303991 + 119303992.

It is an arithmetic number, because the mean of its divisors is an integer number (119303992).

Almost surely, 2^238607983 is an apocalyptic number.

238607983 is a deficient number, since it is larger than the sum of its proper divisors (1).

238607983 is an equidigital number, since it uses as much as digits as its factorization.

238607983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 238607983 is about 15446.9408945590. The cubic root of 238607983 is about 620.2426928824.

The spelling of 238607983 in words is "two hundred thirty-eight million, six hundred seven thousand, nine hundred eighty-three".