493460649 has 48 divisors (see below), whose sum is σ = 831752064. Its totient is φ = 278592000.

The previous prime is 493460633. The next prime is 493460651. The reversal of 493460649 is 946064394.

It is a happy number.

493460649 is a `hidden beast` number, since 4 + 9 + 34 + 606 + 4 + 9 = 666.

It is not a de Polignac number, because 493460649 - 2⁴ = 493460633 is a prime.

It is a super-2 number, since 2×493460649² = 487006824223002402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (493461649) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168532 + ... + 171434.

It is an arithmetic number, because the mean of its divisors is an integer number (17328168).

Almost surely, 2^493460649 is an apocalyptic number.

It is an amenable number.

493460649 is a deficient number, since it is larger than the sum of its proper divisors (338291415).

493460649 is a wasteful number, since it uses less digits than its factorization.

493460649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038 (or 3035 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 493460649 is about 22213.9741829327. The cubic root of 493460649 is about 790.2251395922.

The spelling of 493460649 in words is "four hundred ninety-three million, four hundred sixty thousand, six hundred forty-nine".