338905087 has 2 divisors, whose sum is σ = 338905088. Its totient is φ = 338905086.

The previous prime is 338905079. The next prime is 338905093. The reversal of 338905087 is 780509833.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 338905087 - 2³ = 338905079 is a prime.

It is a super-2 number, since 2×338905087² = 229713315988955138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338905187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169452543 + 169452544.

It is an arithmetic number, because the mean of its divisors is an integer number (169452544).

Almost surely, 2^338905087 is an apocalyptic number.

338905087 is a deficient number, since it is larger than the sum of its proper divisors (1).

338905087 is an equidigital number, since it uses as much as digits as its factorization.

338905087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 338905087 is about 18409.3749758106. The cubic root of 338905087 is about 697.2031852479.

The spelling of 338905087 in words is "three hundred thirty-eight million, nine hundred five thousand, eighty-seven".