43430634 has 48 divisors (see below), whose sum is σ = 104529600. Its totient is φ = 13360464.

The previous prime is 43430633. The next prime is 43430641. The reversal of 43430634 is 43603434.

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

It is a junction number, because it is equal to n+sod(n) for n = 43430598 and 43430607.

It is not an unprimeable number, because it can be changed into a prime (43430633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6747 + ... + 11505.

It is an arithmetic number, because the mean of its divisors is an integer number (2177700).

Almost surely, 2^43430634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43430634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52264800).

43430634 is an abundant number, since it is smaller than the sum of its proper divisors (61098966).

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

43430634 is a wasteful number, since it uses less digits than its factorization.

43430634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796 (or 4777 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 43430634 is about 6590.1922581970. The cubic root of 43430634 is about 351.5054446432.

The spelling of 43430634 in words is "forty-three million, four hundred thirty thousand, six hundred thirty-four".