239466385 has 8 divisors (see below), whose sum is σ = 287539560. Its totient is φ = 191453184.

The previous prime is 239466377. The next prime is 239466389. The reversal of 239466385 is 583664932.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 62283664 + 177182721 = 7892^2 + 13311^2 .

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 239466385 - 2³ = 239466377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (239466389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5680 + ... + 22609.

It is an arithmetic number, because the mean of its divisors is an integer number (35942445).

Almost surely, 2^239466385 is an apocalyptic number.

It is an amenable number.

239466385 is a deficient number, since it is larger than the sum of its proper divisors (48073175).

239466385 is a wasteful number, since it uses less digits than its factorization.

239466385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29987.

The product of its digits is 933120, while the sum is 46.

The square root of 239466385 is about 15474.7014510781. The cubic root of 239466385 is about 620.9855855687.

The spelling of 239466385 in words is "two hundred thirty-nine million, four hundred sixty-six thousand, three hundred eighty-five".