1997046912 has 64 divisors (see below), whose sum is σ = 6062472000. Its totient is φ = 570584064.

The previous prime is 1997046871. The next prime is 1997046971. The reversal of 1997046912 is 2196407991.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368787 + ... + 374162.

It is an arithmetic number, because the mean of its divisors is an integer number (94726125).

Almost surely, 2^1997046912 is an apocalyptic number.

1997046912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1997046912 is an abundant number, since it is smaller than the sum of its proper divisors (4065425088).

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

1997046912 is an equidigital number, since it uses as much as digits as its factorization.

1997046912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742973 (or 742961 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 1997046912 is about 44688.3308258431. The cubic root of 1997046912 is about 1259.3006348157.

The spelling of 1997046912 in words is "one billion, nine hundred ninety-seven million, forty-six thousand, nine hundred twelve".