493727640 has 64 divisors (see below), whose sum is σ = 1692783360. Its totient is φ = 112851840.

The previous prime is 493727609. The next prime is 493727659. The reversal of 493727640 is 46727394.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 493727592 and 493727601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293046 + ... + 294725.

It is an arithmetic number, because the mean of its divisors is an integer number (26449740).

Almost surely, 2^493727640 is an apocalyptic number.

493727640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

493727640 is an abundant number, since it is smaller than the sum of its proper divisors (1199055720).

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

493727640 is a wasteful number, since it uses less digits than its factorization.

493727640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587792 (or 587788 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 493727640 is about 22219.9828982832. The cubic root of 493727640 is about 790.3676331971.

The spelling of 493727640 in words is "four hundred ninety-three million, seven hundred twenty-seven thousand, six hundred forty".