942493 has 4 divisors (see below), whose sum is σ = 972928. Its totient is φ = 912060.

The previous prime is 942479. The next prime is 942509. The reversal of 942493 is 394249.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 942493 - 2⁹ = 941981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 30403 = 942493 / (9 + 4 + 2 + 4 + 9 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942433) by changing a digit.

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, 15171 + ... + 15232.

It is an arithmetic number, because the mean of its divisors is an integer number (243232).

2⁹⁴²⁴⁹³ is an apocalyptic number.

It is an amenable number.

942493 is a deficient number, since it is larger than the sum of its proper divisors (30435).

942493 is a wasteful number, since it uses less digits than its factorization.

942493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30434.

The product of its digits is 7776, while the sum is 31.

The square root of 942493 is about 970.8207867573. The cubic root of 942493 is about 98.0451340069.

942493 divided by its sum of digits (31) gives a palindrome (30403).

The spelling of 942493 in words is "nine hundred forty-two thousand, four hundred ninety-three".