494397582 has 64 divisors (see below), whose sum is σ = 1145470464. Its totient is φ = 139345920.

The previous prime is 494397577. The next prime is 494397593. The reversal of 494397582 is 285793494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1759282 + ... + 1759562.

It is an arithmetic number, because the mean of its divisors is an integer number (17897976).

Almost surely, 2^494397582 is an apocalyptic number.

494397582 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

494397582 is an abundant number, since it is smaller than the sum of its proper divisors (651072882).

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

494397582 is a wasteful number, since it uses less digits than its factorization.

494397582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its digits is 2177280, while the sum is 51.

The square root of 494397582 is about 22235.0530019607. The cubic root of 494397582 is about 790.7249564905.

The spelling of 494397582 in words is "four hundred ninety-four million, three hundred ninety-seven thousand, five hundred eighty-two".