43434489 has 32 divisors (see below), whose sum is σ = 69477120. Its totient is φ = 23611392.

The previous prime is 43434487. The next prime is 43434499. The reversal of 43434489 is 98443434.

It is not a de Polignac number, because 43434489 - 2¹ = 43434487 is a prime.

It is a super-2 number, since 2×43434489² = 3773109669382242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43434487) 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, 43969 + ... + 44945.

It is an arithmetic number, because the mean of its divisors is an integer number (2171160).

Almost surely, 2^43434489 is an apocalyptic number.

It is an amenable number.

43434489 is a deficient number, since it is larger than the sum of its proper divisors (26042631).

43434489 is a wasteful number, since it uses less digits than its factorization.

43434489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089.

The product of its digits is 165888, while the sum is 39.

The square root of 43434489 is about 6590.4847317933. The cubic root of 43434489 is about 351.5158444714.

The spelling of 43434489 in words is "forty-three million, four hundred thirty-four thousand, four hundred eighty-nine".