338946609 has 4 divisors (see below), whose sum is σ = 451928816. Its totient is φ = 225964404.

The previous prime is 338946593. The next prime is 338946611. The reversal of 338946609 is 906649833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 338946609 - 2⁴ = 338946593 is a prime.

It is a super-2 number, since 2×338946609² = 229769607505197762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338946689) 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, 56491099 + ... + 56491104.

It is an arithmetic number, because the mean of its divisors is an integer number (112982204).

Almost surely, 2^338946609 is an apocalyptic number.

It is an amenable number.

338946609 is a deficient number, since it is larger than the sum of its proper divisors (112982207).

338946609 is a wasteful number, since it uses less digits than its factorization.

338946609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112982206.

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 338946609 is about 18410.5026818933. The cubic root of 338946609 is about 697.2316574166.

The spelling of 338946609 in words is "three hundred thirty-eight million, nine hundred forty-six thousand, six hundred nine".