43481688 has 16 divisors (see below), whose sum is σ = 108704280. Its totient is φ = 14493888.

The previous prime is 43481687. The next prime is 43481693. The reversal of 43481688 is 88618434.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43481681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905845 + ... + 905892.

Almost surely, 2^43481688 is an apocalyptic number.

It is an amenable number.

43481688 is an abundant number, since it is smaller than the sum of its proper divisors (65222592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43481688 is a wasteful number, since it uses less digits than its factorization.

43481688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811746 (or 1811742 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 43481688 is about 6594.0646038691. The cubic root of 43481688 is about 351.6431257374.

The spelling of 43481688 in words is "forty-three million, four hundred eighty-one thousand, six hundred eighty-eight".