828492605 has 4 divisors (see below), whose sum is σ = 994191132. Its totient is φ = 662794080.

The previous prime is 828492559. The next prime is 828492607. The reversal of 828492605 is 506294828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 424442404 + 404050201 = 20602^2 + 20101^2 .

It is not a de Polignac number, because 828492605 - 2⁸ = 828492349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828492607) 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, 82849256 + ... + 82849265.

It is an arithmetic number, because the mean of its divisors is an integer number (248547783).

Almost surely, 2^828492605 is an apocalyptic number.

It is an amenable number.

828492605 is a deficient number, since it is larger than the sum of its proper divisors (165698527).

828492605 is a wasteful number, since it uses less digits than its factorization.

828492605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165698526.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 828492605 is about 28783.5474707340. The cubic root of 828492605 is about 939.2103693888.

The spelling of 828492605 in words is "eight hundred twenty-eight million, four hundred ninety-two thousand, six hundred five".