2196985736 has 32 divisors (see below), whose sum is σ = 4503924000. Its totient is φ = 996387840.

The previous prime is 2196985729. The next prime is 2196985753. The reversal of 2196985736 is 6375896912.

It is a happy 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, 11711 + ... + 67313.

It is an arithmetic number, because the mean of its divisors is an integer number (140747625).

Almost surely, 2^2196985736 is an apocalyptic number.

It is an amenable number.

2196985736 is an abundant number, since it is smaller than the sum of its proper divisors (2306938264).

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

2196985736 is a wasteful number, since it uses less digits than its factorization.

2196985736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56069 (or 56065 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 56.

The square root of 2196985736 is about 46872.0144222541. The cubic root of 2196985736 is about 1299.9971865817.

The spelling of 2196985736 in words is "two billion, one hundred ninety-six million, nine hundred eighty-five thousand, seven hundred thirty-six".