816634484 has 12 divisors (see below), whose sum is σ = 1429310400. Its totient is φ = 408260088.

The previous prime is 816634471. The next prime is 816634487. The reversal of 816634484 is 484436618.

816634484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816634487) 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, 49427 + ... + 63845.

It is an arithmetic number, because the mean of its divisors is an integer number (119109200).

Almost surely, 2^816634484 is an apocalyptic number.

It is an amenable number.

816634484 is a deficient number, since it is larger than the sum of its proper divisors (612675916).

816634484 is a wasteful number, since it uses less digits than its factorization.

816634484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28582 (or 28580 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 816634484 is about 28576.8172475523. The cubic root of 816634484 is about 934.7078820922.

The spelling of 816634484 in words is "eight hundred sixteen million, six hundred thirty-four thousand, four hundred eighty-four".