238292217 has 24 divisors (see below), whose sum is σ = 357839040. Its totient is φ = 152621280.

The previous prime is 238292207. The next prime is 238292227. The reversal of 238292217 is 712292832.

238292217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (238292207) and next prime (238292227).

It is not a de Polignac number, because 238292217 - 2¹² = 238288121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238292207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52908 + ... + 57234.

It is an arithmetic number, because the mean of its divisors is an integer number (14909960).

Almost surely, 2^238292217 is an apocalyptic number.

It is an amenable number.

238292217 is a deficient number, since it is larger than the sum of its proper divisors (119546823).

238292217 is a wasteful number, since it uses less digits than its factorization.

238292217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573 (or 4570 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 238292217 is about 15436.7165226288. The cubic root of 238292217 is about 619.9689691372.

The spelling of 238292217 in words is "two hundred thirty-eight million, two hundred ninety-two thousand, two hundred seventeen".