996975 has 48 divisors (see below), whose sum is σ = 2103040. Its totient is φ = 453600.

The previous prime is 996973. The next prime is 996979. The reversal of 996975 is 579699.

It is not a de Polignac number, because 996975 - 2¹ = 996973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 996975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996973) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4620 + ... + 4830.

2⁹⁹⁶⁹⁷⁵ is an apocalyptic number.

996975 is an abundant number, since it is smaller than the sum of its proper divisors (1106065).

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

996975 is a wasteful number, since it uses less digits than its factorization.

996975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 226 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 996975 is about 998.4863544386. The cubic root of 996975 is about 99.8990648218.

996975 divided by its sum of digits (45) gives a triangular number (22155 = T₂₁₀).

The spelling of 996975 in words is "nine hundred ninety-six thousand, nine hundred seventy-five".