819464332 has 12 divisors (see below), whose sum is σ = 1496413296. Its totient is φ = 391917680.

The previous prime is 819464329. The next prime is 819464333. The reversal of 819464332 is 233464918.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (819464333) 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, 4453519 + ... + 4453702.

It is an arithmetic number, because the mean of its divisors is an integer number (124701108).

Almost surely, 2^819464332 is an apocalyptic number.

It is an amenable number.

819464332 is a deficient number, since it is larger than the sum of its proper divisors (676948964).

819464332 is a wasteful number, since it uses less digits than its factorization.

819464332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8907248 (or 8907246 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 819464332 is about 28626.2874295638. The cubic root of 819464332 is about 935.7863049182.

The spelling of 819464332 in words is "eight hundred nineteen million, four hundred sixty-four thousand, three hundred thirty-two".