493252578 has 192 divisors, whose sum is σ = 1438295040. Its totient is φ = 123031872.

The previous prime is 493252553. The next prime is 493252621. The reversal of 493252578 is 875252394.

493252578 is a `hidden beast` number, since 49 + 32 + 5 + 2 + 578 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 840001 + ... + 840587.

It is an arithmetic number, because the mean of its divisors is an integer number (7491120).

Almost surely, 2^493252578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 493252578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719147520).

493252578 is an abundant number, since it is smaller than the sum of its proper divisors (945042462).

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

493252578 is a wasteful number, since it uses less digits than its factorization.

493252578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 631 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 493252578 is about 22209.2903533634. The cubic root of 493252578 is about 790.1140560635.

The spelling of 493252578 in words is "four hundred ninety-three million, two hundred fifty-two thousand, five hundred seventy-eight".