238564793 has 2 divisors, whose sum is σ = 238564794. Its totient is φ = 238564792.

The previous prime is 238564787. The next prime is 238564811. The reversal of 238564793 is 397465832.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198584464 + 39980329 = 14092^2 + 6323^2 .

It is a cyclic number.

It is not a de Polignac number, because 238564793 - 2⁸ = 238564537 is a prime.

It is not a weakly prime, because it can be changed into another prime (238564783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119282396 + 119282397.

It is an arithmetic number, because the mean of its divisors is an integer number (119282397).

Almost surely, 2^238564793 is an apocalyptic number.

It is an amenable number.

238564793 is a deficient number, since it is larger than the sum of its proper divisors (1).

238564793 is an equidigital number, since it uses as much as digits as its factorization.

238564793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 47.

The square root of 238564793 is about 15445.5428198558. The cubic root of 238564793 is about 620.2052676211.

The spelling of 238564793 in words is "two hundred thirty-eight million, five hundred sixty-four thousand, seven hundred ninety-three".