43863426 has 48 divisors (see below), whose sum is σ = 99163584. Its totient is φ = 13999392.

The previous prime is 43863377. The next prime is 43863433. The reversal of 43863426 is 62436834.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44131 + ... + 45113.

It is an arithmetic number, because the mean of its divisors is an integer number (2065908).

Almost surely, 2^43863426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43863426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49581792).

43863426 is an abundant number, since it is smaller than the sum of its proper divisors (55300158).

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

43863426 is a wasteful number, since it uses less digits than its factorization.

43863426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095 (or 1092 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 43863426 is about 6622.9469271617. The cubic root of 43863426 is about 352.6691869290.

The spelling of 43863426 in words is "forty-three million, eight hundred sixty-three thousand, four hundred twenty-six".