338092397 has 2 divisors, whose sum is σ = 338092398. Its totient is φ = 338092396.

The previous prime is 338092369. The next prime is 338092451. The reversal of 338092397 is 793290833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336685801 + 1406596 = 18349^2 + 1186^2 .

It is an emirp because it is prime and its reverse (793290833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338092397 - 2⁶ = 338092333 is a prime.

It is a super-2 number, since 2×338092397² = 228612937818411218, 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 (338092297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169046198 + 169046199.

It is an arithmetic number, because the mean of its divisors is an integer number (169046199).

Almost surely, 2^338092397 is an apocalyptic number.

It is an amenable number.

338092397 is a deficient number, since it is larger than the sum of its proper divisors (1).

338092397 is an equidigital number, since it uses as much as digits as its factorization.

338092397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 338092397 is about 18387.2890062673. The cubic root of 338092397 is about 696.6454444619.

The spelling of 338092397 in words is "three hundred thirty-eight million, ninety-two thousand, three hundred ninety-seven".