338650491 has 8 divisors (see below), whose sum is σ = 455530320. Its totient is φ = 223768832.

The previous prime is 338650469. The next prime is 338650493. The reversal of 338650491 is 194056833.

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 338650491 - 2¹⁵ = 338617723 is a prime.

It is a super-2 number, since 2×338650491² = 229368310109082162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338650493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499146 + ... + 499823.

It is an arithmetic number, because the mean of its divisors is an integer number (56941290).

Almost surely, 2^338650491 is an apocalyptic number.

338650491 is a deficient number, since it is larger than the sum of its proper divisors (116879829).

338650491 is a wasteful number, since it uses less digits than its factorization.

338650491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999085.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 338650491 is about 18402.4588302759. The cubic root of 338650491 is about 697.0285546343.

The spelling of 338650491 in words is "three hundred thirty-eight million, six hundred fifty thousand, four hundred ninety-one".