494503810 has 16 divisors (see below), whose sum is σ = 890480952. Its totient is φ = 197718400.

The previous prime is 494503787. The next prime is 494503811. The reversal of 494503810 is 18305494.

It can be written as a sum of positive squares in 4 ways, for example, as 209873169 + 284630641 = 14487^2 + 16871^2 .

It is a super-2 number, since 2×494503810² = 489068036209032200, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (494503811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18390 + ... + 36430.

Almost surely, 2^494503810 is an apocalyptic number.

494503810 is a deficient number, since it is larger than the sum of its proper divisors (395977142).

494503810 is a wasteful number, since it uses less digits than its factorization.

494503810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20789.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 494503810 is about 22237.4416244315. The cubic root of 494503810 is about 790.7815850816.

The spelling of 494503810 in words is "four hundred ninety-four million, five hundred three thousand, eight hundred ten".