490046 has 4 divisors (see below), whose sum is σ = 735072. Its totient is φ = 245022.

The previous prime is 490033. The next prime is 490057. The reversal of 490046 is 640094.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122510 + ... + 122513.

It is an arithmetic number, because the mean of its divisors is an integer number (183768).

2⁴⁹⁰⁰⁴⁶ is an apocalyptic number.

490046 is a deficient number, since it is larger than the sum of its proper divisors (245026).

490046 is a wasteful number, since it uses less digits than its factorization.

490046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245025.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 490046 is about 700.0328563718. The cubic root of 490046 is about 78.8398185730.

The spelling of 490046 in words is "four hundred ninety thousand, forty-six".