342811986 has 32 divisors (see below), whose sum is σ = 750772800. Its totient is φ = 103490880.

The previous prime is 342811961. The next prime is 342812023. The reversal of 342811986 is 689118243.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8100 + ... + 27408.

It is an arithmetic number, because the mean of its divisors is an integer number (23461650).

Almost surely, 2^342811986 is an apocalyptic number.

342811986 is an abundant number, since it is smaller than the sum of its proper divisors (407960814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342811986 is a wasteful number, since it uses less digits than its factorization.

342811986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19594.

The product of its digits is 82944, while the sum is 42.

The square root of 342811986 is about 18515.1825807903. The cubic root of 342811986 is about 699.8720759432.

The spelling of 342811986 in words is "three hundred forty-two million, eight hundred eleven thousand, nine hundred eighty-six".