338837609 has 8 divisors (see below), whose sum is σ = 370304352. Its totient is φ = 307481440.

The previous prime is 338837581. The next prime is 338837647. The reversal of 338837609 is 906738833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 338837609 - 2²⁸ = 70402153 is a prime.

It is a super-2 number, since 2×338837609² = 229621850545673762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338837669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21164 + ... + 33549.

It is an arithmetic number, because the mean of its divisors is an integer number (46288044).

Almost surely, 2^338837609 is an apocalyptic number.

It is an amenable number.

338837609 is a deficient number, since it is larger than the sum of its proper divisors (31466743).

338837609 is a wasteful number, since it uses less digits than its factorization.

338837609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55287.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 338837609 is about 18407.5421770534. The cubic root of 338837609 is about 697.1569097556.

The spelling of 338837609 in words is "three hundred thirty-eight million, eight hundred thirty-seven thousand, six hundred nine".