338442446 has 4 divisors (see below), whose sum is σ = 507663672. Its totient is φ = 169221222.

The previous prime is 338442439. The next prime is 338442449. The reversal of 338442446 is 644244833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 644244833 = 7297 ⋅88289.

It is a super-2 number, since 2×338442446² = 229086578508925832, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338442449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84610610 + ... + 84610613.

It is an arithmetic number, because the mean of its divisors is an integer number (126915918).

Almost surely, 2^338442446 is an apocalyptic number.

338442446 is a deficient number, since it is larger than the sum of its proper divisors (169221226).

338442446 is a wasteful number, since it uses less digits than its factorization.

338442446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169221225.

The product of its digits is 221184, while the sum is 38.

The square root of 338442446 is about 18396.8053204898. The cubic root of 338442446 is about 696.8857889460.

The spelling of 338442446 in words is "three hundred thirty-eight million, four hundred forty-two thousand, four hundred forty-six".