996520 has 32 divisors (see below), whose sum is σ = 2563200. Its totient is φ = 341568.

The previous prime is 996511. The next prime is 996529. The reversal of 996520 is 25699.

996520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (996511) and next prime (996529).

It is a super-2 number, since 2×996520² = 1986104220800, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996529) by changing a digit.

996520 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, 1500 + ... + 2059.

It is an arithmetic number, because the mean of its divisors is an integer number (80100).

2⁹⁹⁶⁵²⁰ is an apocalyptic number.

It is an amenable number.

996520 is an abundant number, since it is smaller than the sum of its proper divisors (1566680).

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

996520 is a wasteful number, since it uses less digits than its factorization.

996520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577 (or 3573 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 996520 is about 998.2584835602. The cubic root of 996520 is about 99.8838651792.

The spelling of 996520 in words is "nine hundred ninety-six thousand, five hundred twenty".