1997017344 has 405 divisors, whose sum is σ = 7089283383. Its totient is φ = 540546048.

The previous prime is 1997017331. The next prime is 1997017361. The reversal of 1997017344 is 4437107991.

The square root of 1997017344 is 44688.

It is a perfect power (a square), and thus also a powerful number.

It is a self number, because there is not a number n which added to its sum of digits gives 1997017344.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 105106167 + ... + 105106185.

Almost surely, 2^1997017344 is an apocalyptic number.

1997017344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1997017344 is the 44688-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1997017344

1997017344 is an abundant number, since it is smaller than the sum of its proper divisors (5092266039).

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

1997017344 is an frugal number, since it uses more digits than its factorization.

1997017344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The cubic root of 1997017344 is about 1259.2944197747.

The spelling of 1997017344 in words is "one billion, nine hundred ninety-seven million, seventeen thousand, three hundred forty-four".