338000891 has 2 divisors, whose sum is σ = 338000892. Its totient is φ = 338000890.

The previous prime is 338000881. The next prime is 338000951. The reversal of 338000891 is 198000833.

It is a weak prime.

It is an emirp because it is prime and its reverse (198000833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338000891 - 2²² = 333806587 is a prime.

It is a super-2 number, since 2×338000891² = 228489204633587762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338000821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169000445 + 169000446.

It is an arithmetic number, because the mean of its divisors is an integer number (169000446).

Almost surely, 2^338000891 is an apocalyptic number.

338000891 is a deficient number, since it is larger than the sum of its proper divisors (1).

338000891 is an equidigital number, since it uses as much as digits as its factorization.

338000891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 338000891 is about 18384.8005428397. The cubic root of 338000891 is about 696.5825888731.

The spelling of 338000891 in words is "three hundred thirty-eight million, eight hundred ninety-one", and thus it is an aban number.