996401836 has 24 divisors (see below), whose sum is σ = 1805469120. Its totient is φ = 480584832.

The previous prime is 996401827. The next prime is 996401839. The reversal of 996401836 is 638104699.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (996401839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150696 + ... + 157168.

It is an arithmetic number, because the mean of its divisors is an integer number (75227880).

Almost surely, 2^996401836 is an apocalyptic number.

It is an amenable number.

996401836 is a deficient number, since it is larger than the sum of its proper divisors (809067284).

996401836 is a wasteful number, since it uses less digits than its factorization.

996401836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7833 (or 7831 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 996401836 is about 31565.8333645732. The cubic root of 996401836 is about 998.7991705859.

The spelling of 996401836 in words is "nine hundred ninety-six million, four hundred one thousand, eight hundred thirty-six".