495988506 has 24 divisors (see below), whose sum is σ = 1157307060. Its totient is φ = 152611776.

The previous prime is 495988501. The next prime is 495988511. The reversal of 495988506 is 605889594.

It is a happy number.

495988506 is a `hidden beast` number, since 4 + 9 + 59 + 88 + 506 = 666.

It is an interprime number because it is at equal distance from previous prime (495988501) and next prime (495988511).

It can be written as a sum of positive squares in 2 ways, for example, as 420455025 + 75533481 = 20505^2 + 8691^2 .

It is a super-2 number, since 2×495988506² = 492009196168224072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (495988501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1059571 + ... + 1060038.

Almost surely, 2^495988506 is an apocalyptic number.

495988506 is an abundant number, since it is smaller than the sum of its proper divisors (661318554).

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

495988506 is a wasteful number, since it uses less digits than its factorization.

495988506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119630 (or 2119627 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The square root of 495988506 is about 22270.7994019074. The cubic root of 495988506 is about 791.5722073719.

The spelling of 495988506 in words is "four hundred ninety-five million, nine hundred eighty-eight thousand, five hundred six".