816343532 has 12 divisors (see below), whose sum is σ = 1428801360. Its totient is φ = 408114576.

The previous prime is 816343483. The next prime is 816343537. The reversal of 816343532 is 235343618.

It is a junction number, because it is equal to n+sod(n) for n = 816343492 and 816343501.

It is not an unprimeable number, because it can be changed into a prime (816343537) 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, 47393 + ... + 62279.

It is an arithmetic number, because the mean of its divisors is an integer number (119066780).

Almost surely, 2^816343532 is an apocalyptic number.

It is an amenable number.

816343532 is a deficient number, since it is larger than the sum of its proper divisors (612457828).

816343532 is a wasteful number, since it uses less digits than its factorization.

816343532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28600 (or 28598 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 816343532 is about 28571.7260941652. The cubic root of 816343532 is about 934.5968624390.

The spelling of 816343532 in words is "eight hundred sixteen million, three hundred forty-three thousand, five hundred thirty-two".