338983857 has 12 divisors (see below), whose sum is σ = 490508304. Its totient is φ = 225590040.

The previous prime is 338983831. The next prime is 338983877. The reversal of 338983857 is 758389833.

It is not a de Polignac number, because 338983857 - 2²⁰ = 337935281 is a prime.

It is a super-2 number, since 2×338983857² = 229820110613192898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338983817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27843 + ... + 38120.

It is an arithmetic number, because the mean of its divisors is an integer number (40875692).

Almost surely, 2^338983857 is an apocalyptic number.

It is an amenable number.

338983857 is a deficient number, since it is larger than the sum of its proper divisors (151524447).

338983857 is a wasteful number, since it uses less digits than its factorization.

338983857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66540 (or 66537 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 338983857 is about 18411.5142505987. The cubic root of 338983857 is about 697.2571968701.

The spelling of 338983857 in words is "three hundred thirty-eight million, nine hundred eighty-three thousand, eight hundred fifty-seven".