338045749 has 4 divisors (see below), whose sum is σ = 338087680. Its totient is φ = 338003820.

The previous prime is 338045737. The next prime is 338045767. The reversal of 338045749 is 947540833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 338045749 - 2⁵ = 338045717 is a prime.

It is a super-2 number, since 2×338045749² = 228549856833942002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338040749) 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 3 ways as a sum of consecutive naturals, for example, 4629 + ... + 26410.

It is an arithmetic number, because the mean of its divisors is an integer number (84521920).

Almost surely, 2^338045749 is an apocalyptic number.

It is an amenable number.

338045749 is a deficient number, since it is larger than the sum of its proper divisors (41931).

338045749 is a wasteful number, since it uses less digits than its factorization.

338045749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41930.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 338045749 is about 18386.0204775259. The cubic root of 338045749 is about 696.6134033082.

The spelling of 338045749 in words is "three hundred thirty-eight million, forty-five thousand, seven hundred forty-nine".