996870 has 64 divisors (see below), whose sum is σ = 2820096. Its totient is φ = 220800.

The previous prime is 996859. The next prime is 996871. The reversal of 996870 is 78699.

996870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996871) by changing a digit.

996870 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 31 ways as a sum of consecutive naturals, for example, 9820 + ... + 9920.

It is an arithmetic number, because the mean of its divisors is an integer number (44064).

2⁹⁹⁶⁸⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 996870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1410048).

996870 is an abundant number, since it is smaller than the sum of its proper divisors (1823226).

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

996870 is a wasteful number, since it uses less digits than its factorization.

996870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 996870 is about 998.4337734672. The cubic root of 996870 is about 99.8955576225.

The spelling of 996870 in words is "nine hundred ninety-six thousand, eight hundred seventy".