238402213 has 8 divisors (see below), whose sum is σ = 276926720. Its totient is φ = 200994480.

The previous prime is 238402187. The next prime is 238402217. The reversal of 238402213 is 312204832.

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 238402213 - 2⁵ = 238402181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238402217) 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, 278733 + ... + 279586.

It is an arithmetic number, because the mean of its divisors is an integer number (34615840).

Almost surely, 2^238402213 is an apocalyptic number.

It is an amenable number.

238402213 is a deficient number, since it is larger than the sum of its proper divisors (38524507).

238402213 is an equidigital number, since it uses as much as digits as its factorization.

238402213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558387.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 238402213 is about 15440.2789158745. The cubic root of 238402213 is about 620.0643472930.

The spelling of 238402213 in words is "two hundred thirty-eight million, four hundred two thousand, two hundred thirteen".