338444377 has 2 divisors, whose sum is σ = 338444378. Its totient is φ = 338444376.

The previous prime is 338444363. The next prime is 338444387. The reversal of 338444377 is 773444833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282777856 + 55666521 = 16816^2 + 7461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338444377 is a prime.

It is a super-2 number, since 2×338444377² = 229089192645836258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338444387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169222188 + 169222189.

It is an arithmetic number, because the mean of its divisors is an integer number (169222189).

Almost surely, 2^338444377 is an apocalyptic number.

It is an amenable number.

338444377 is a deficient number, since it is larger than the sum of its proper divisors (1).

338444377 is an equidigital number, since it uses as much as digits as its factorization.

338444377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 43.

The square root of 338444377 is about 18396.8578023531. The cubic root of 338444377 is about 696.8871143155.

The spelling of 338444377 in words is "three hundred thirty-eight million, four hundred forty-four thousand, three hundred seventy-seven".