338121607 has 2 divisors, whose sum is σ = 338121608. Its totient is φ = 338121606.

The previous prime is 338121571. The next prime is 338121673. The reversal of 338121607 is 706121833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 338121607 - 2¹¹ = 338119559 is a prime.

It is a super-2 number, since 2×338121607² = 228652442240524898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338121107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169060803 + 169060804.

It is an arithmetic number, because the mean of its divisors is an integer number (169060804).

Almost surely, 2^338121607 is an apocalyptic number.

338121607 is a deficient number, since it is larger than the sum of its proper divisors (1).

338121607 is an equidigital number, since it uses as much as digits as its factorization.

338121607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 338121607 is about 18388.0832878253. The cubic root of 338121607 is about 696.6655064603.

The spelling of 338121607 in words is "three hundred thirty-eight million, one hundred twenty-one thousand, six hundred seven".