238690297 has 12 divisors (see below), whose sum is σ = 257385600. Its totient is φ = 220927080.

The previous prime is 238690289. The next prime is 238690313. The reversal of 238690297 is 792096832.

It is not a de Polignac number, because 238690297 - 2³ = 238690289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238690237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16704 + ... + 27502.

It is an arithmetic number, because the mean of its divisors is an integer number (21448800).

Almost surely, 2^238690297 is an apocalyptic number.

It is an amenable number.

238690297 is a deficient number, since it is larger than the sum of its proper divisors (18695303).

238690297 is a wasteful number, since it uses less digits than its factorization.

238690297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10884 (or 10853 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 238690297 is about 15449.6050758587. The cubic root of 238690297 is about 620.3140076063.

The spelling of 238690297 in words is "two hundred thirty-eight million, six hundred ninety thousand, two hundred ninety-seven".