4197797984 has 48 divisors (see below), whose sum is σ = 8719326000. Its totient is φ = 1983873024.

The previous prime is 4197797977. The next prime is 4197798001. The reversal of 4197797984 is 4897977914.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4197797984.

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, 265304 + ... + 280680.

It is an arithmetic number, because the mean of its divisors is an integer number (181652625).

Almost surely, 2^4197797984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4197797984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4359663000).

4197797984 is an abundant number, since it is smaller than the sum of its proper divisors (4521528016).

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

4197797984 is a wasteful number, since it uses less digits than its factorization.

4197797984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15855 (or 15847 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 65.

The square root of 4197797984 is about 64790.4158344427. The cubic root of 4197797984 is about 1613.1466288204.

The spelling of 4197797984 in words is "four billion, one hundred ninety-seven million, seven hundred ninety-seven thousand, nine hundred eighty-four".