942806 has 4 divisors (see below), whose sum is σ = 1414212. Its totient is φ = 471402.

The previous prime is 942787. The next prime is 942811. The reversal of 942806 is 608249.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608249 = 523 ⋅1163.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 942806.

It is an unprimeable number.

942806 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 235700 + ... + 235703.

It is an arithmetic number, because the mean of its divisors is an integer number (353553).

2⁹⁴²⁸⁰⁶ is an apocalyptic number.

942806 is a deficient number, since it is larger than the sum of its proper divisors (471406).

942806 is a wasteful number, since it uses less digits than its factorization.

942806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471405.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 942806 is about 970.9819771757. The cubic root of 942806 is about 98.0559863352.

The spelling of 942806 in words is "nine hundred forty-two thousand, eight hundred six".