996420 has 24 divisors (see below), whose sum is σ = 2790144. Its totient is φ = 265696.

The previous prime is 996409. The next prime is 996431. The reversal of 996420 is 24699.

It is an interprime number because it is at equal distance from previous prime (996409) and next prime (996431).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 10.

It is an unprimeable number.

996420 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, 8244 + ... + 8363.

It is an arithmetic number, because the mean of its divisors is an integer number (116256).

2⁹⁹⁶⁴²⁰ is an apocalyptic number.

It is an amenable number.

996420 is an abundant number, since it is smaller than the sum of its proper divisors (1793724).

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

996420 is a wasteful number, since it uses less digits than its factorization.

996420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16619 (or 16617 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 996420 is about 998.2083950759. The cubic root of 996420 is about 99.8805239783.

The spelling of 996420 in words is "nine hundred ninety-six thousand, four hundred twenty".