43402434 has 8 divisors (see below), whose sum is σ = 86804880. Its totient is φ = 14467476.

The previous prime is 43402433. The next prime is 43402451. The reversal of 43402434 is 43420434.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

43402434 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43402433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3616864 + ... + 3616875.

It is an arithmetic number, because the mean of its divisors is an integer number (10850610).

Almost surely, 2^43402434 is an apocalyptic number.

43402434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

43402434 is a wasteful number, since it uses less digits than its factorization.

43402434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233744.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 43402434 is about 6588.0523677336. The cubic root of 43402434 is about 351.4293493557.

Adding to 43402434 its reverse (43420434), we get a palindrome (86822868).

The spelling of 43402434 in words is "forty-three million, four hundred two thousand, four hundred thirty-four".