238935497 has 4 divisors (see below), whose sum is σ = 242208660. Its totient is φ = 235662336.

The previous prime is 238935481. The next prime is 238935509. The reversal of 238935497 is 794539832.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 203604361 + 35331136 = 14269^2 + 5944^2 .

It is a cyclic number.

It is not a de Polignac number, because 238935497 - 2⁴ = 238935481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238935407) 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, 1636472 + ... + 1636617.

It is an arithmetic number, because the mean of its divisors is an integer number (60552165).

Almost surely, 2^238935497 is an apocalyptic number.

It is an amenable number.

238935497 is a deficient number, since it is larger than the sum of its proper divisors (3273163).

238935497 is an equidigital number, since it uses as much as digits as its factorization.

238935497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273162.

The product of its digits is 1632960, while the sum is 50.

The square root of 238935497 is about 15457.5385168532. The cubic root of 238935497 is about 620.5263454394.

The spelling of 238935497 in words is "two hundred thirty-eight million, nine hundred thirty-five thousand, four hundred ninety-seven".