342785811 has 8 divisors (see below), whose sum is σ = 464794560. Its totient is φ = 224650472.

The previous prime is 342785803. The next prime is 342785857. The reversal of 342785811 is 118587243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 342785811 - 2³ = 342785803 is a prime.

It is a super-2 number, since 2×342785811² = 235004224445855442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 342785811.

It is not an unprimeable number, because it can be changed into a prime (342785801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968145 + ... + 968498.

It is an arithmetic number, because the mean of its divisors is an integer number (58099320).

Almost surely, 2^342785811 is an apocalyptic number.

342785811 is a deficient number, since it is larger than the sum of its proper divisors (122008749).

342785811 is a wasteful number, since it uses less digits than its factorization.

342785811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936705.

The product of its digits is 53760, while the sum is 39.

The square root of 342785811 is about 18514.4757149642. The cubic root of 342785811 is about 699.8542628575.

The spelling of 342785811 in words is "three hundred forty-two million, seven hundred eighty-five thousand, eight hundred eleven".