2162604404 has 12 divisors (see below), whose sum is σ = 3785287044. Its totient is φ = 1081093824.

The previous prime is 2162604401. The next prime is 2162604439. The reversal of 2162604404 is 4044062612.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2125394404 + 37210000 = 46102^2 + 6100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162604401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27449 + ... + 71264.

It is an arithmetic number, because the mean of its divisors is an integer number (315440587).

Almost surely, 2^2162604404 is an apocalyptic number.

It is an amenable number.

2162604404 is a deficient number, since it is larger than the sum of its proper divisors (1622682640).

2162604404 is a wasteful number, since it uses less digits than its factorization.

2162604404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104194 (or 104192 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 2162604404 is about 46503.8106395594. The cubic root of 2162604404 is about 1293.1801440826.

The spelling of 2162604404 in words is "two billion, one hundred sixty-two million, six hundred four thousand, four hundred four".