338274949 has 2 divisors, whose sum is σ = 338274950. Its totient is φ = 338274948.

The previous prime is 338274931. The next prime is 338274953. The reversal of 338274949 is 949472833.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286218724 + 52056225 = 16918^2 + 7215^2 .

It is an emirp because it is prime and its reverse (949472833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338274949 - 2¹³ = 338266757 is a prime.

It is a super-2 number, since 2×338274949² = 228859882241905202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338274049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169137474 + 169137475.

It is an arithmetic number, because the mean of its divisors is an integer number (169137475).

Almost surely, 2^338274949 is an apocalyptic number.

It is an amenable number.

338274949 is a deficient number, since it is larger than the sum of its proper divisors (1).

338274949 is an equidigital number, since it uses as much as digits as its factorization.

338274949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 49.

The square root of 338274949 is about 18392.2524177981. The cubic root of 338274949 is about 696.7708057912.

The spelling of 338274949 in words is "three hundred thirty-eight million, two hundred seventy-four thousand, nine hundred forty-nine".