828089690 has 32 divisors (see below), whose sum is σ = 1501670016. Its totient is φ = 328778560.

The previous prime is 828089687. The next prime is 828089699. The reversal of 828089690 is 96980828.

It is a super-2 number, since 2×828089690² = 1371465069368592200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (828089699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1212089 + ... + 1212771.

It is an arithmetic number, because the mean of its divisors is an integer number (46927188).

Almost surely, 2^828089690 is an apocalyptic number.

828089690 is a deficient number, since it is larger than the sum of its proper divisors (673580326).

828089690 is a wasteful number, since it uses less digits than its factorization.

828089690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 828089690 is about 28776.5475691578. The cubic root of 828089690 is about 939.0580915027.

The spelling of 828089690 in words is "eight hundred twenty-eight million, eighty-nine thousand, six hundred ninety".