43089648 has 80 divisors (see below), whose sum is σ = 127968000. Its totient is φ = 12238848.

The previous prime is 43089619. The next prime is 43089653. The reversal of 43089648 is 84698034.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86103 + ... + 86601.

It is an arithmetic number, because the mean of its divisors is an integer number (1599600).

Almost surely, 2^43089648 is an apocalyptic number.

43089648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43089648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63984000).

43089648 is an abundant number, since it is smaller than the sum of its proper divisors (84878352).

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

43089648 is a wasteful number, since it uses less digits than its factorization.

43089648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 43089648 is about 6564.2705611515. The cubic root of 43089648 is about 350.5831041924.

The spelling of 43089648 in words is "forty-three million, eighty-nine thousand, six hundred forty-eight".