494681000 has 64 divisors (see below), whose sum is σ = 1262813760. Its totient is φ = 179880000.

The previous prime is 494680973. The next prime is 494681003. The reversal of 494681000 is 186494.

It is a super-2 number, since 2×494681000² = 489418583522000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (494681003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11486 + ... + 33485.

It is an arithmetic number, because the mean of its divisors is an integer number (19731465).

Almost surely, 2^494681000 is an apocalyptic number.

494681000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

494681000 is an abundant number, since it is smaller than the sum of its proper divisors (768132760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494681000 is a wasteful number, since it uses less digits than its factorization.

494681000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45003 (or 44989 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 494681000 is about 22241.4253140396. The cubic root of 494681000 is about 790.8760244326.

The spelling of 494681000 in words is "four hundred ninety-four million, six hundred eighty-one thousand".