43241904 has 80 divisors (see below), whose sum is σ = 124992000. Its totient is φ = 14313024.

The previous prime is 43241903. The next prime is 43241917. The reversal of 43241904 is 40914234.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (43241903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85717 + ... + 86219.

It is an arithmetic number, because the mean of its divisors is an integer number (1562400).

Almost surely, 2^43241904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43241904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62496000).

43241904 is an abundant number, since it is smaller than the sum of its proper divisors (81750096).

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

43241904 is a wasteful number, since it uses less digits than its factorization.

43241904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 43241904 is about 6575.8576626931. The cubic root of 43241904 is about 350.9955438108.

The spelling of 43241904 in words is "forty-three million, two hundred forty-one thousand, nine hundred four".