238194413 has 2 divisors, whose sum is σ = 238194414. Its totient is φ = 238194412.

The previous prime is 238194403. The next prime is 238194433. The reversal of 238194413 is 314491832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228221449 + 9972964 = 15107^2 + 3158^2 .

It is a cyclic number.

It is not a de Polignac number, because 238194413 - 2¹² = 238190317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238194403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119097206 + 119097207.

It is an arithmetic number, because the mean of its divisors is an integer number (119097207).

Almost surely, 2^238194413 is an apocalyptic number.

It is an amenable number.

238194413 is a deficient number, since it is larger than the sum of its proper divisors (1).

238194413 is an equidigital number, since it uses as much as digits as its factorization.

238194413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 238194413 is about 15433.5482958392. The cubic root of 238194413 is about 619.8841380792.

The spelling of 238194413 in words is "two hundred thirty-eight million, one hundred ninety-four thousand, four hundred thirteen".