814611642 has 16 divisors (see below), whose sum is σ = 1754548320. Its totient is φ = 250649712.

The previous prime is 814611619. The next prime is 814611649. The reversal of 814611642 is 246116418.

It is not an unprimeable number, because it can be changed into a prime (814611649) 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, 5221792 + ... + 5221947.

It is an arithmetic number, because the mean of its divisors is an integer number (109659270).

Almost surely, 2^814611642 is an apocalyptic number.

814611642 is an abundant number, since it is smaller than the sum of its proper divisors (939936678).

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

814611642 is a wasteful number, since it uses less digits than its factorization.

814611642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10443757.

The product of its digits is 9216, while the sum is 33.

The square root of 814611642 is about 28541.4022430574. The cubic root of 814611642 is about 933.9354721899.

The spelling of 814611642 in words is "eight hundred fourteen million, six hundred eleven thousand, six hundred forty-two".