495621828 has 144 divisors (see below), whose sum is σ = 1424311616. Its totient is φ = 149765760.

The previous prime is 495621811. The next prime is 495621851. The reversal of 495621828 is 828126594.

495621828 is a `hidden beast` number, since 4 + 9 + 562 + 1 + 82 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 770475 + ... + 771117.

Almost surely, 2^495621828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495621828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712155808).

495621828 is an abundant number, since it is smaller than the sum of its proper divisors (928689788).

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

495621828 is a wasteful number, since it uses less digits than its factorization.

495621828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 722 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 495621828 is about 22262.5656203412. The cubic root of 495621828 is about 791.3770928573.

The spelling of 495621828 in words is "four hundred ninety-five million, six hundred twenty-one thousand, eight hundred twenty-eight".