342021356 has 12 divisors (see below), whose sum is σ = 630039480. Its totient is φ = 162010080.

The previous prime is 342021319. The next prime is 342021367. The reversal of 342021356 is 653120243.

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, 2250065 + ... + 2250216.

It is an arithmetic number, because the mean of its divisors is an integer number (52503290).

Almost surely, 2^342021356 is an apocalyptic number.

It is an amenable number.

342021356 is a deficient number, since it is larger than the sum of its proper divisors (288018124).

342021356 is a wasteful number, since it uses less digits than its factorization.

342021356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500304 (or 4500302 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 342021356 is about 18493.8194000050. The cubic root of 342021356 is about 699.3336216120. Note that the first 3 decimals are identical.

Adding to 342021356 its reverse (653120243), we get a palindrome (995141599).

The spelling of 342021356 in words is "three hundred forty-two million, twenty-one thousand, three hundred fifty-six".