338930401 has 2 divisors, whose sum is σ = 338930402. Its totient is φ = 338930400.

The previous prime is 338930381. The next prime is 338930407. The reversal of 338930401 is 104039833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315417600 + 23512801 = 17760^2 + 4849^2 .

It is a cyclic number.

It is not a de Polignac number, because 338930401 - 2¹¹ = 338928353 is a prime.

It is a super-2 number, since 2×338930401² = 229747633444041602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338930407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169465200 + 169465201.

It is an arithmetic number, because the mean of its divisors is an integer number (169465201).

Almost surely, 2^338930401 is an apocalyptic number.

It is an amenable number.

338930401 is a deficient number, since it is larger than the sum of its proper divisors (1).

338930401 is an equidigital number, since it uses as much as digits as its factorization.

338930401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 338930401 is about 18410.0624931041. The cubic root of 338930401 is about 697.2205436595.

The spelling of 338930401 in words is "three hundred thirty-eight million, nine hundred thirty thousand, four hundred one".