338561443 has 16 divisors (see below), whose sum is σ = 393154560. Its totient is φ = 288131200.

The previous prime is 338561423. The next prime is 338561453. The reversal of 338561443 is 344165833.

It is a cyclic number.

It is not a de Polignac number, because 338561443 - 2⁹ = 338560931 is a prime.

It is a super-2 number, since 2×338561443² = 229247701372484498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338561413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30978 + ... + 40456.

It is an arithmetic number, because the mean of its divisors is an integer number (24572160).

Almost surely, 2^338561443 is an apocalyptic number.

338561443 is a deficient number, since it is larger than the sum of its proper divisors (54593117).

338561443 is a wasteful number, since it uses less digits than its factorization.

338561443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9698.

The product of its digits is 103680, while the sum is 37.

The square root of 338561443 is about 18400.0392119147. The cubic root of 338561443 is about 696.9674548264.

It can be divided in two parts, 33 and 8561443, that added together give a square (8561476 = 2926²).

The spelling of 338561443 in words is "three hundred thirty-eight million, five hundred sixty-one thousand, four hundred forty-three".