813952 has 16 divisors (see below), whose sum is σ = 1621800. Its totient is φ = 406912.

The previous prime is 813931. The next prime is 813961. The reversal of 813952 is 259318.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 813952.

It is a congruent number.

It is an unprimeable number.

813952 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 as a sum of consecutive naturals, namely, 3052 + ... + 3307.

2⁸¹³⁹⁵² is an apocalyptic number.

It is an amenable number.

813952 is a deficient number, since it is larger than the sum of its proper divisors (807848).

813952 is an equidigital number, since it uses as much as digits as its factorization.

813952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6373 (or 6361 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 813952 is about 902.1928840331. The cubic root of 813952 is about 93.3683315459.

The spelling of 813952 in words is "eight hundred thirteen thousand, nine hundred fifty-two".