2097456804 has 81 divisors (see below), whose sum is σ = 5644698787. Its totient is φ = 656560128.

The previous prime is 2097456791. The next prime is 2097456839. The reversal of 2097456804 is 4086547902.

It is a happy number.

The square root of 2097456804 is 45798.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 329422500 + 1768034304 = 18150^2 + 42048^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2097456804.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4671172 + ... + 4671620.

Almost surely, 2^2097456804 is an apocalyptic number.

2097456804 is the 45798-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2097456804

2097456804 is an abundant number, since it is smaller than the sum of its proper divisors (3547241983).

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

2097456804 is a wasteful number, since it uses less digits than its factorization.

2097456804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The cubic root of 2097456804 is about 1280.0620095285.

The spelling of 2097456804 in words is "two billion, ninety-seven million, four hundred fifty-six thousand, eight hundred four".