494902 has 4 divisors (see below), whose sum is σ = 742356. Its totient is φ = 247450.

The previous prime is 494899. The next prime is 494903. The reversal of 494902 is 209494.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494903) 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 as a sum of consecutive naturals, namely, 123724 + ... + 123727.

It is an arithmetic number, because the mean of its divisors is an integer number (185589).

2⁴⁹⁴⁹⁰² is an apocalyptic number.

494902 is a deficient number, since it is larger than the sum of its proper divisors (247454).

494902 is a wasteful number, since it uses less digits than its factorization.

494902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247453.

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

The square root of 494902 is about 703.4927149587. The cubic root of 494902 is about 79.0993782193.

The spelling of 494902 in words is "four hundred ninety-four thousand, nine hundred two".