809652 has 24 divisors (see below), whose sum is σ = 1909600. Its totient is φ = 266976.

The previous prime is 809629. The next prime is 809701. The reversal of 809652 is 256908.

809652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×809652² = 1311072722208, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999 + ... + 1617.

2⁸⁰⁹⁶⁵² is an apocalyptic number.

It is an amenable number.

809652 is an abundant number, since it is smaller than the sum of its proper divisors (1099948).

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

809652 is a wasteful number, since it uses less digits than its factorization.

809652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 809652 is about 899.8066458968. The cubic root of 809652 is about 93.2036236749.

The spelling of 809652 in words is "eight hundred nine thousand, six hundred fifty-two".