490942 has 4 divisors (see below), whose sum is σ = 736416. Its totient is φ = 245470.

The previous prime is 490937. The next prime is 490949. The reversal of 490942 is 249094.

490942 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 490942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122734 + ... + 122737.

It is an arithmetic number, because the mean of its divisors is an integer number (184104).

2⁴⁹⁰⁹⁴² is an apocalyptic number.

490942 is a deficient number, since it is larger than the sum of its proper divisors (245474).

490942 is a wasteful number, since it uses less digits than its factorization.

490942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245473.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 490942 is about 700.6725340699. The cubic root of 490942 is about 78.8878395534.

The spelling of 490942 in words is "four hundred ninety thousand, nine hundred forty-two".