813652 has 12 divisors (see below), whose sum is σ = 1627360. Its totient is φ = 348696.

The previous prime is 813647. The next prime is 813677. The reversal of 813652 is 256318.

It is a happy number.

813652 is an admirable number.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

813652 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, 14502 + ... + 14557.

2⁸¹³⁶⁵² is an apocalyptic number.

It is an amenable number.

813652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

813652 is a wasteful number, since it uses less digits than its factorization.

813652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29070 (or 29068 counting only the distinct ones).

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

The square root of 813652 is about 902.0266071464. The cubic root of 813652 is about 93.3568591489.

The spelling of 813652 in words is "eight hundred thirteen thousand, six hundred fifty-two".