996481840 has 20 divisors (see below), whose sum is σ = 2316820464. Its totient is φ = 398592704.

The previous prime is 996481813. The next prime is 996481841. The reversal of 996481840 is 48184699.

996481840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (996481841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6227932 + ... + 6228091.

Almost surely, 2^996481840 is an apocalyptic number.

It is an amenable number.

996481840 is an abundant number, since it is smaller than the sum of its proper divisors (1320338624).

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

996481840 is a wasteful number, since it uses less digits than its factorization.

996481840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12456036 (or 12456030 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 996481840 is about 31567.1005953984. The cubic root of 996481840 is about 998.8259020335.

The spelling of 996481840 in words is "nine hundred ninety-six million, four hundred eighty-one thousand, eight hundred forty".