43190942 has 4 divisors (see below), whose sum is σ = 64786416. Its totient is φ = 21595470.

The previous prime is 43190921. The next prime is 43190969. The reversal of 43190942 is 24909134.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 43190899 and 43190908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10797734 + ... + 10797737.

It is an arithmetic number, because the mean of its divisors is an integer number (16196604).

Almost surely, 2^43190942 is an apocalyptic number.

43190942 is a deficient number, since it is larger than the sum of its proper divisors (21595474).

43190942 is a wasteful number, since it uses less digits than its factorization.

43190942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21595473.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 43190942 is about 6571.9815885317. The cubic root of 43190942 is about 350.8576030263.

The spelling of 43190942 in words is "forty-three million, one hundred ninety thousand, nine hundred forty-two".