342021044 has 12 divisors (see below), whose sum is σ = 614713764. Its totient is φ = 166388544.

The previous prime is 342021019. The next prime is 342021059. The reversal of 342021044 is 440120243.

342021044 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 145684900 + 196336144 = 12070^2 + 14012^2 .

342021044 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155329 + ... + 1155624.

It is an arithmetic number, because the mean of its divisors is an integer number (51226147).

Almost surely, 2^342021044 is an apocalyptic number.

It is an amenable number.

342021044 is a deficient number, since it is larger than the sum of its proper divisors (272692720).

342021044 is a wasteful number, since it uses less digits than its factorization.

342021044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310994 (or 2310992 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 342021044 is about 18493.8109647525. The cubic root of 342021044 is about 699.3334089623. Note that the first 3 decimals are identical.

Adding to 342021044 its reverse (440120243), we get a palindrome (782141287).

The spelling of 342021044 in words is "three hundred forty-two million, twenty-one thousand, forty-four".