996219396 has 18 divisors (see below), whose sum is σ = 2518221342. Its totient is φ = 332073120.

The previous prime is 996219383. The next prime is 996219421. The reversal of 996219396 is 693912699.

996219396 is a `hidden beast` number, since 9 + 9 + 621 + 9 + 3 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 947777796 + 48441600 = 30786^2 + 6960^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13836345 + ... + 13836416.

Almost surely, 2^996219396 is an apocalyptic number.

It is an amenable number.

996219396 is an abundant number, since it is smaller than the sum of its proper divisors (1522001946).

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

996219396 is a wasteful number, since it uses less digits than its factorization.

996219396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27672771 (or 27672766 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 54.

The square root of 996219396 is about 31562.9433988657. The cubic root of 996219396 is about 998.7382072153.

The spelling of 996219396 in words is "nine hundred ninety-six million, two hundred nineteen thousand, three hundred ninety-six".