342581956 has 6 divisors (see below), whose sum is σ = 599518430. Its totient is φ = 171290976.

The previous prime is 342581947. The next prime is 342581957. The reversal of 342581956 is 659185243.

It can be written as a sum of positive squares in only one way, i.e., 258566400 + 84015556 = 16080^2 + 9166^2 .

It is not an unprimeable number, because it can be changed into a prime (342581957) 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 as a sum of consecutive naturals, namely, 42822741 + ... + 42822748.

Almost surely, 2^342581956 is an apocalyptic number.

It is an amenable number.

342581956 is a deficient number, since it is larger than the sum of its proper divisors (256936474).

342581956 is a wasteful number, since it uses less digits than its factorization.

342581956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85645493 (or 85645491 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 342581956 is about 18508.9696093543. The cubic root of 342581956 is about 699.7155007138.

The spelling of 342581956 in words is "three hundred forty-two million, five hundred eighty-one thousand, nine hundred fifty-six".