828019934 has 24 divisors (see below), whose sum is σ = 1456208640. Its totient is φ = 352066176.

The previous prime is 828019931. The next prime is 828019939. The reversal of 828019934 is 439910828.

It is a happy number.

It is a super-2 number, since 2×828019934² = 1371234022202728712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828019931) 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, 20819 + ... + 45710.

It is an arithmetic number, because the mean of its divisors is an integer number (60675360).

Almost surely, 2^828019934 is an apocalyptic number.

828019934 is a deficient number, since it is larger than the sum of its proper divisors (628188706).

828019934 is a wasteful number, since it uses less digits than its factorization.

828019934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66672 (or 66665 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 828019934 is about 28775.3355149857. The cubic root of 828019934 is about 939.0317228712.

The spelling of 828019934 in words is "eight hundred twenty-eight million, nineteen thousand, nine hundred thirty-four".