338989893 has 32 divisors (see below), whose sum is σ = 528463872. Its totient is φ = 191188800.

The previous prime is 338989831. The next prime is 338989907. The reversal of 338989893 is 398989833.

It is not a de Polignac number, because 338989893 - 2⁶ = 338989829 is a prime.

It is a super-2 number, since 2×338989893² = 229828295112302898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338989823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22048 + ... + 34118.

It is an arithmetic number, because the mean of its divisors is an integer number (16514496).

Almost surely, 2^338989893 is an apocalyptic number.

338989893 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

338989893 is a deficient number, since it is larger than the sum of its proper divisors (189473979).

338989893 is a wasteful number, since it uses less digits than its factorization.

338989893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12145.

The product of its digits is 10077696, while the sum is 60.

The square root of 338989893 is about 18411.6781690317. The cubic root of 338989893 is about 697.2613353361.

Subtracting from 338989893 its sum of digits (60), we obtain a palindrome (338989833).

The spelling of 338989893 in words is "three hundred thirty-eight million, nine hundred eighty-nine thousand, eight hundred ninety-three".