806692042 has 8 divisors (see below), whose sum is σ = 1303117956. Its totient is φ = 372319392.

The previous prime is 806692037. The next prime is 806692099. The reversal of 806692042 is 240296608.

It can be written as a sum of positive squares in 2 ways, for example, as 775566801 + 31125241 = 27849^2 + 5579^2 .

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

It is a super-2 number, since 2×806692042² = 1301504101252259528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 806691992 and 806692010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15513283 + ... + 15513334.

Almost surely, 2^806692042 is an apocalyptic number.

806692042 is a deficient number, since it is larger than the sum of its proper divisors (496425914).

806692042 is a wasteful number, since it uses less digits than its factorization.

806692042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31026632.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 806692042 is about 28402.3245879629. The cubic root of 806692042 is about 930.8990581188.

The spelling of 806692042 in words is "eight hundred six million, six hundred ninety-two thousand, forty-two".