338233649 has 32 divisors (see below), whose sum is σ = 410256000. Its totient is φ = 275457024.

The previous prime is 338233631. The next prime is 338233663. The reversal of 338233649 is 946332833.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338233649 is a prime.

It is a super-2 number, since 2×338233649² = 228804002631710402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338233249) 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, 457322 + ... + 458060.

It is an arithmetic number, because the mean of its divisors is an integer number (12820500).

Almost surely, 2^338233649 is an apocalyptic number.

It is an amenable number.

338233649 is a deficient number, since it is larger than the sum of its proper divisors (72022351).

338233649 is a wasteful number, since it uses less digits than its factorization.

338233649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897.

The product of its digits is 279936, while the sum is 41.

The square root of 338233649 is about 18391.1296281659. The cubic root of 338233649 is about 696.7424483800.

The spelling of 338233649 in words is "three hundred thirty-eight million, two hundred thirty-three thousand, six hundred forty-nine".