783996 has 24 divisors (see below), whose sum is σ = 1854720. Its totient is φ = 257712.

The previous prime is 783953. The next prime is 784009. The reversal of 783996 is 699387.

It is a happy number.

It is a super-2 number, since 2×783996² = 1229299456032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

783996 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, 535 + ... + 1361.

It is an arithmetic number, because the mean of its divisors is an integer number (77280).

2⁷⁸³⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

783996 is an abundant number, since it is smaller than the sum of its proper divisors (1070724).

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

783996 is a wasteful number, since it uses less digits than its factorization.

783996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 911 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 783996 is about 885.4354860745. The cubic root of 783996 is about 92.2085690233.

The spelling of 783996 in words is "seven hundred eighty-three thousand, nine hundred ninety-six".