856948 has 6 divisors (see below), whose sum is σ = 1499666. Its totient is φ = 428472.

The previous prime is 856943. The next prime is 856949. The reversal of 856948 is 849658.

856948 is nontrivially palindromic in base 3.

856948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 725904 + 131044 = 852^2 + 362^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 856948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107115 + ... + 107122.

2⁸⁵⁶⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

856948 is a deficient number, since it is larger than the sum of its proper divisors (642718).

856948 is a wasteful number, since it uses less digits than its factorization.

856948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214241 (or 214239 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 856948 is about 925.7148589063. The cubic root of 856948 is about 94.9842263747.

The spelling of 856948 in words is "eight hundred fifty-six thousand, nine hundred forty-eight".