43491960 has 48 divisors (see below), whose sum is σ = 141350040. Its totient is φ = 11597760.

The previous prime is 43491937. The next prime is 43491961. The reversal of 43491960 is 6919434.

43491960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43491961) 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 11 ways as a sum of consecutive naturals, for example, 60046 + ... + 60765.

Almost surely, 2^43491960 is an apocalyptic number.

43491960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43491960 is an abundant number, since it is smaller than the sum of its proper divisors (97858080).

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

43491960 is a wasteful number, since it uses less digits than its factorization.

43491960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120828 (or 120821 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 43491960 is about 6594.8434401432. The cubic root of 43491960 is about 351.6708139739.

The spelling of 43491960 in words is "forty-three million, four hundred ninety-one thousand, nine hundred sixty".