1493943608 has 16 divisors (see below), whose sum is σ = 2808351000. Its totient is φ = 745050016.

The previous prime is 1493943601. The next prime is 1493943631. The reversal of 1493943608 is 8063493941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493943601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236918 + ... + 243141.

Almost surely, 2^1493943608 is an apocalyptic number.

It is an amenable number.

1493943608 is a deficient number, since it is larger than the sum of its proper divisors (1314407392).

1493943608 is a wasteful number, since it uses less digits than its factorization.

1493943608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480454 (or 480450 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 1493943608 is about 38651.5666952842. The cubic root of 1493943608 is about 1143.1715337021.

The spelling of 1493943608 in words is "one billion, four hundred ninety-three million, nine hundred forty-three thousand, six hundred eight".