816352 has 24 divisors (see below), whose sum is σ = 1629936. Its totient is φ = 402432.

The previous prime is 816341. The next prime is 816353. The reversal of 816352 is 253618.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816353) by changing a digit.

816352 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2973 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (67914).

2⁸¹⁶³⁵² is an apocalyptic number.

It is an amenable number.

816352 is a deficient number, since it is larger than the sum of its proper divisors (813584).

816352 is a wasteful number, since it uses less digits than its factorization.

816352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 362 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 816352 is about 903.5219975186. The cubic root of 816352 is about 93.4600093978.

It can be divided in two parts, 8 and 16352, that multiplied together give a triangular number (130816 = T₅₁₁).

The spelling of 816352 in words is "eight hundred sixteen thousand, three hundred fifty-two".