494388585 has 12 divisors (see below), whose sum is σ = 856940292. Its totient is φ = 263673888.

The previous prime is 494388581. The next prime is 494388659. The reversal of 494388585 is 585883494.

It can be written as a sum of positive squares in 2 ways, for example, as 241864704 + 252523881 = 15552^2 + 15891^2 .

It is not a de Polignac number, because 494388585 - 2² = 494388581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494388581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5493162 + ... + 5493251.

It is an arithmetic number, because the mean of its divisors is an integer number (71411691).

Almost surely, 2^494388585 is an apocalyptic number.

494388585 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

494388585 is a deficient number, since it is larger than the sum of its proper divisors (362551707).

494388585 is a wasteful number, since it uses less digits than its factorization.

494388585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10986424 (or 10986421 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The square root of 494388585 is about 22234.8506853543. The cubic root of 494388585 is about 790.7201599490.

It can be divided in two parts, 4943 and 88585, that added together give a triangular number (93528 = T₄₃₂).

The spelling of 494388585 in words is "four hundred ninety-four million, three hundred eighty-eight thousand, five hundred eighty-five".