238802813 has 8 divisors (see below), whose sum is σ = 249347328. Its totient is φ = 228271824.

The previous prime is 238802801. The next prime is 238802833. The reversal of 238802813 is 318208832.

It is a happy number.

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 238802813 - 2⁴ = 238802797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238802833) 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, 52631 + ... + 56987.

It is an arithmetic number, because the mean of its divisors is an integer number (31168416).

Almost surely, 2^238802813 is an apocalyptic number.

238802813 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

238802813 is a deficient number, since it is larger than the sum of its proper divisors (10544515).

238802813 is a wasteful number, since it uses less digits than its factorization.

238802813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 238802813 is about 15453.2460344097. The cubic root of 238802813 is about 620.4114620451.

The spelling of 238802813 in words is "two hundred thirty-eight million, eight hundred two thousand, eight hundred thirteen".