956840 has 32 divisors (see below), whose sum is σ = 2268000. Its totient is φ = 362304.

The previous prime is 956831. The next prime is 956843. The reversal of 956840 is 48659.

956840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 956797 and 956806.

It is not an unprimeable number, because it can be changed into a prime (956843) by changing a digit.

956840 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 7 ways as a sum of consecutive naturals, for example, 131 + ... + 1389.

It is an arithmetic number, because the mean of its divisors is an integer number (70875).

2⁹⁵⁶⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 956840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1134000).

956840 is an abundant number, since it is smaller than the sum of its proper divisors (1311160).

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

956840 is a wasteful number, since it uses less digits than its factorization.

956840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 956840 is about 978.1819871578. The cubic root of 956840 is about 98.5401246853.

The spelling of 956840 in words is "nine hundred fifty-six thousand, eight hundred forty".