942421889 has 4 divisors (see below), whose sum is σ = 954351360. Its totient is φ = 930492420.

The previous prime is 942421873. The next prime is 942421891. The reversal of 942421889 is 988124249.

It is a happy number.

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 942421889 - 2⁴ = 942421873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (942421819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5964617 + ... + 5964774.

It is an arithmetic number, because the mean of its divisors is an integer number (238587840).

Almost surely, 2^942421889 is an apocalyptic number.

It is an amenable number.

942421889 is a deficient number, since it is larger than the sum of its proper divisors (11929471).

942421889 is a wasteful number, since it uses less digits than its factorization.

942421889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11929470.

The product of its digits is 331776, while the sum is 47.

The square root of 942421889 is about 30698.8906802835. The cubic root of 942421889 is about 980.4266811313.

It can be divided in two parts, 9424 and 21889, that added together give a palindrome (31313).

The spelling of 942421889 in words is "nine hundred forty-two million, four hundred twenty-one thousand, eight hundred eighty-nine".