338801887 has 2 divisors, whose sum is σ = 338801888. Its totient is φ = 338801886.

The previous prime is 338801861. The next prime is 338801899. The reversal of 338801887 is 788108833.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338801887 is a prime.

It is a super-2 number, since 2×338801887² = 229573437269521538, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338801807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169400943 + 169400944.

It is an arithmetic number, because the mean of its divisors is an integer number (169400944).

Almost surely, 2^338801887 is an apocalyptic number.

338801887 is a deficient number, since it is larger than the sum of its proper divisors (1).

338801887 is an equidigital number, since it uses as much as digits as its factorization.

338801887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 338801887 is about 18406.5718426871. The cubic root of 338801887 is about 697.1324096079.

The spelling of 338801887 in words is "three hundred thirty-eight million, eight hundred one thousand, eight hundred eighty-seven".