338985243 has 12 divisors (see below), whose sum is σ = 507780728. Its totient is φ = 225990000.

The previous prime is 338985239. The next prime is 338985259. The reversal of 338985243 is 342589833.

338985243 is a `hidden beast` number, since 3 + 38 + 98 + 524 + 3 = 666.

It is not a de Polignac number, because 338985243 - 2² = 338985239 is a prime.

It is a super-2 number, since 2×338985243² = 229821989943538098, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (338985223) 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 11 ways as a sum of consecutive naturals, for example, 697258 + ... + 697743.

Almost surely, 2^338985243 is an apocalyptic number.

338985243 is a deficient number, since it is larger than the sum of its proper divisors (168795485).

338985243 is an equidigital number, since it uses as much as digits as its factorization.

338985243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395016 (or 1395004 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 338985243 is about 18411.5518900499. The cubic root of 338985243 is about 697.2581471584.

The spelling of 338985243 in words is "three hundred thirty-eight million, nine hundred eighty-five thousand, two hundred forty-three".