2196723960 has 96 divisors (see below), whose sum is σ = 7145658000. Its totient is φ = 585275904.

The previous prime is 2196723943. The next prime is 2196723961. The reversal of 2196723960 is 693276912.

It is a happy number.

2196723960 is a `hidden beast` number, since 2 + 196 + 72 + 396 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196723961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 580956 + ... + 584724.

Almost surely, 2^2196723960 is an apocalyptic number.

2196723960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2196723960 is an abundant number, since it is smaller than the sum of its proper divisors (4948934040).

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

2196723960 is a wasteful number, since it uses less digits than its factorization.

2196723960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5405 (or 5398 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 2196723960 is about 46869.2218838760. The cubic root of 2196723960 is about 1299.9455519602.

The spelling of 2196723960 in words is "two billion, one hundred ninety-six million, seven hundred twenty-three thousand, nine hundred sixty".