942813 has 8 divisors (see below), whose sum is σ = 1396800. Its totient is φ = 628524.

The previous prime is 942811. The next prime is 942827. The reversal of 942813 is 318249.

It is not a de Polignac number, because 942813 - 2¹ = 942811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 34919 = 942813 / (9 + 4 + 2 + 8 + 1 + 3).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17433 + ... + 17486.

It is an arithmetic number, because the mean of its divisors is an integer number (174600).

2⁹⁴²⁸¹³ is an apocalyptic number.

It is an amenable number.

942813 is a deficient number, since it is larger than the sum of its proper divisors (453987).

942813 is a wasteful number, since it uses less digits than its factorization.

942813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34928 (or 34922 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 942813 is about 970.9855817673. The cubic root of 942813 is about 98.0562290116.

The spelling of 942813 in words is "nine hundred forty-two thousand, eight hundred thirteen".