494143652 has 12 divisors (see below), whose sum is σ = 872685660. Its totient is φ = 244804896.

The previous prime is 494143649. The next prime is 494143667. The reversal of 494143652 is 256341494.

It can be written as a sum of positive squares in 2 ways, for example, as 303317056 + 190826596 = 17416^2 + 13814^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566243 + ... + 567114.

It is an arithmetic number, because the mean of its divisors is an integer number (72723805).

Almost surely, 2^494143652 is an apocalyptic number.

It is an amenable number.

494143652 is a deficient number, since it is larger than the sum of its proper divisors (378542008).

494143652 is a wasteful number, since it uses less digits than its factorization.

494143652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133470 (or 1133468 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 494143652 is about 22229.3421405133. The cubic root of 494143652 is about 790.5895572482.

The spelling of 494143652 in words is "four hundred ninety-four million, one hundred forty-three thousand, six hundred fifty-two".