338989427 has 16 divisors (see below), whose sum is σ = 396506112. Its totient is φ = 283772160.

The previous prime is 338989411. The next prime is 338989457. The reversal of 338989427 is 724989833.

It is not a de Polignac number, because 338989427 - 2⁴ = 338989411 is a prime.

It is a super-2 number, since 2×338989427² = 229827663235576658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338989457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220652 + ... + 222182.

It is an arithmetic number, because the mean of its divisors is an integer number (24781632).

Almost surely, 2^338989427 is an apocalyptic number.

338989427 is a deficient number, since it is larger than the sum of its proper divisors (57516685).

338989427 is a wasteful number, since it uses less digits than its factorization.

338989427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258.

The product of its digits is 2612736, while the sum is 53.

The square root of 338989427 is about 18411.6655140158. The cubic root of 338989427 is about 697.2610158340.

The spelling of 338989427 in words is "three hundred thirty-eight million, nine hundred eighty-nine thousand, four hundred twenty-seven".