1997835846 has 16 divisors (see below), whose sum is σ = 4013122800. Its totient is φ = 663036768.

The previous prime is 1997835751. The next prime is 1997835859. The reversal of 1997835846 is 6485387991.

It is a self number, because there is not a number n which added to its sum of digits gives 1997835846.

It is a congruent number.

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, 725641 + ... + 728388.

It is an arithmetic number, because the mean of its divisors is an integer number (250820175).

Almost surely, 2^1997835846 is an apocalyptic number.

1997835846 is an abundant number, since it is smaller than the sum of its proper divisors (2015286954).

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

1997835846 is a wasteful number, since it uses less digits than its factorization.

1997835846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454263.

The product of its digits is 13063680, while the sum is 60.

The square root of 1997835846 is about 44697.1570236855. The cubic root of 1997835846 is about 1259.4664420185.

The spelling of 1997835846 in words is "one billion, nine hundred ninety-seven million, eight hundred thirty-five thousand, eight hundred forty-six".