511996 has 12 divisors (see below), whose sum is σ = 925120. Its totient is φ = 247680.

The previous prime is 511991. The next prime is 511997. The reversal of 511996 is 699115.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a zygodrome in base 2 and base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511991) by changing a digit.

511996 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 3 ways as a sum of consecutive naturals, for example, 1941 + ... + 2188.

2⁵¹¹⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

511996 is a deficient number, since it is larger than the sum of its proper divisors (413124).

511996 is a wasteful number, since it uses less digits than its factorization.

511996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164 (or 4162 counting only the distinct ones).

The product of its digits is 2430, while the sum is 31.

The square root of 511996 is about 715.5389577095. The cubic root of 511996 is about 79.9997916661. Note that the first 3 decimals are identical.

The spelling of 511996 in words is "five hundred eleven thousand, nine hundred ninety-six".