942043861 has 4 divisors (see below), whose sum is σ = 1027684224. Its totient is φ = 856403500.

The previous prime is 942043853. The next prime is 942043877. The reversal of 942043861 is 168340249.

942043861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 942043861 - 2³ = 942043853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 942043861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942043061) 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, 42820165 + ... + 42820186.

It is an arithmetic number, because the mean of its divisors is an integer number (256921056).

Almost surely, 2^942043861 is an apocalyptic number.

It is an amenable number.

942043861 is a deficient number, since it is larger than the sum of its proper divisors (85640363).

942043861 is a wasteful number, since it uses less digits than its factorization.

942043861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85640362.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 942043861 is about 30692.7330324297. The cubic root of 942043861 is about 980.2955727219.

The spelling of 942043861 in words is "nine hundred forty-two million, forty-three thousand, eight hundred sixty-one".