338946331 has 4 divisors (see below), whose sum is σ = 353683152. Its totient is φ = 324209512.

The previous prime is 338946329. The next prime is 338946359. The reversal of 338946331 is 133649833.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 338946331 - 2¹ = 338946329 is a prime.

It is a super-2 number, since 2×338946331² = 229769230596723122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338946371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7368376 + ... + 7368421.

It is an arithmetic number, because the mean of its divisors is an integer number (88420788).

Almost surely, 2^338946331 is an apocalyptic number.

338946331 is a deficient number, since it is larger than the sum of its proper divisors (14736821).

338946331 is a wasteful number, since it uses less digits than its factorization.

338946331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14736820.

The product of its digits is 139968, while the sum is 40.

The square root of 338946331 is about 18410.4951318535. The cubic root of 338946331 is about 697.2314667962.

The spelling of 338946331 in words is "three hundred thirty-eight million, nine hundred forty-six thousand, three hundred thirty-one".