490742 has 8 divisors (see below), whose sum is σ = 841296. Its totient is φ = 210312.

The previous prime is 490741. The next prime is 490769. The reversal of 490742 is 247094.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17513 + ... + 17540.

It is an arithmetic number, because the mean of its divisors is an integer number (105162).

2⁴⁹⁰⁷⁴² is an apocalyptic number.

490742 is a deficient number, since it is larger than the sum of its proper divisors (350554).

490742 is a wasteful number, since it uses less digits than its factorization.

490742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35062.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 490742 is about 700.5297995089. The cubic root of 490742 is about 78.8771256532.

The spelling of 490742 in words is "four hundred ninety thousand, seven hundred forty-two".