43474869 has 18 divisors (see below), whose sum is σ = 66281046. Its totient is φ = 27455760.

The previous prime is 43474843. The next prime is 43474897. The reversal of 43474869 is 96847434.

It can be written as a sum of positive squares in only one way, i.e., 29322225 + 14152644 = 5415^2 + 3762^2 .

It is not a de Polignac number, because 43474869 - 2¹³ = 43466677 is a prime.

It is a super-2 number, since 2×43474869² = 3780128469134322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43474069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3442 + ... + 9939.

Almost surely, 2^43474869 is an apocalyptic number.

It is an amenable number.

43474869 is a deficient number, since it is larger than the sum of its proper divisors (22806177).

43474869 is a wasteful number, since it uses less digits than its factorization.

43474869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13425 (or 13403 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 43474869 is about 6593.5475276971. The cubic root of 43474869 is about 351.6247426744.

It can be divided in two parts, 4347 and 4869, that added together give a square (9216 = 96²).

The spelling of 43474869 in words is "forty-three million, four hundred seventy-four thousand, eight hundred sixty-nine".