2097847836 has 240 divisors, whose sum is σ = 6683846400. Its totient is φ = 560431872.

The previous prime is 2097847823. The next prime is 2097847853. The reversal of 2097847836 is 6387487902.

2097847836 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3834915 + ... + 3835461.

It is an arithmetic number, because the mean of its divisors is an integer number (27849360).

Almost surely, 2^2097847836 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 2097847836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3341923200).

2097847836 is an abundant number, since it is smaller than the sum of its proper divisors (4585998564).

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

2097847836 is a wasteful number, since it uses less digits than its factorization.

2097847836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 2097847836 is about 45802.2688957654. The cubic root of 2097847836 is about 1280.1415525420.

The spelling of 2097847836 in words is "two billion, ninety-seven million, eight hundred forty-seven thousand, eight hundred thirty-six".