2196984520 has 32 divisors (see below), whose sum is σ = 5076819000. Its totient is φ = 855042048.

The previous prime is 2196984487. The next prime is 2196984521. The reversal of 2196984520 is 254896912.

It can be written as a sum of positive squares in 4 ways, for example, as 1452676996 + 744307524 = 38114^2 + 27282^2 .

It is a super-2 number, since 2×2196984520² = 9653481962239260800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2196984521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740745 + ... + 743704.

Almost surely, 2^2196984520 is an apocalyptic number.

2196984520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2196984520 is an abundant number, since it is smaller than the sum of its proper divisors (2879834480).

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

2196984520 is a wasteful number, since it uses less digits than its factorization.

2196984520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484497 (or 1484493 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 2196984520 is about 46872.0014507595. The cubic root of 2196984520 is about 1299.9969467384.

The spelling of 2196984520 in words is "two billion, one hundred ninety-six million, nine hundred eighty-four thousand, five hundred twenty".