338408494 has 8 divisors (see below), whose sum is σ = 537472368. Its totient is φ = 159251040.

The previous prime is 338408471. The next prime is 338408503. The reversal of 338408494 is 494804833.

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

It is a super-2 number, since 2×338408494² = 229040617622696072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338408494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4976562 + ... + 4976629.

It is an arithmetic number, because the mean of its divisors is an integer number (67184046).

Almost surely, 2^338408494 is an apocalyptic number.

338408494 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

338408494 is a deficient number, since it is larger than the sum of its proper divisors (199063874).

338408494 is a wasteful number, since it uses less digits than its factorization.

338408494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9953210.

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 338408494 is about 18395.8825284355. The cubic root of 338408494 is about 696.8624846808.

The spelling of 338408494 in words is "three hundred thirty-eight million, four hundred eight thousand, four hundred ninety-four".