338363493 has 32 divisors (see below), whose sum is σ = 498597120. Its totient is φ = 202836480.

The previous prime is 338363491. The next prime is 338363513. The reversal of 338363493 is 394363833.

It is not a de Polignac number, because 338363493 - 2¹ = 338363491 is a prime.

It is a super-2 number, since 2×338363493² = 228979706790322098, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338363491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245755 + ... + 247127.

It is an arithmetic number, because the mean of its divisors is an integer number (15581160).

Almost surely, 2^338363493 is an apocalyptic number.

It is an amenable number.

338363493 is a deficient number, since it is larger than the sum of its proper divisors (160233627).

338363493 is a wasteful number, since it uses less digits than its factorization.

338363493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549.

The product of its digits is 419904, while the sum is 42.

The square root of 338363493 is about 18394.6593608036. The cubic root of 338363493 is about 696.8315941058.

The spelling of 338363493 in words is "three hundred thirty-eight million, three hundred sixty-three thousand, four hundred ninety-three".