829533918 has 16 divisors (see below), whose sum is σ = 1664975376. Its totient is φ = 275526720.

The previous prime is 829533917. The next prime is 829533997. The reversal of 829533918 is 819335928.

It is a happy number.

It is a super-2 number, since 2×829533918² = 1376253042224861448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (829533917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244321 + ... + 247692.

It is an arithmetic number, because the mean of its divisors is an integer number (104060961).

Almost surely, 2^829533918 is an apocalyptic number.

829533918 is an abundant number, since it is smaller than the sum of its proper divisors (835441458).

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

829533918 is a wasteful number, since it uses less digits than its factorization.

829533918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492299.

The product of its digits is 466560, while the sum is 48.

The square root of 829533918 is about 28801.6304746797. The cubic root of 829533918 is about 939.6036951713.

The spelling of 829533918 in words is "eight hundred twenty-nine million, five hundred thirty-three thousand, nine hundred eighteen".