289204036 has 27 divisors (see below), whose sum is σ = 557020093. Its totient is φ = 131286320.

The previous prime is 289204031. The next prime is 289204049. The reversal of 289204036 is 630402982.

The square root of 289204036 is 17006.

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

It can be written as a sum of positive squares in only one way, i.e., 18404100 + 270799936 = 4290^2 + 16456^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289203992 and 289204010.

It is not an unprimeable number, because it can be changed into a prime (289204031) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 373746 + ... + 374518.

Almost surely, 2^289204036 is an apocalyptic number.

289204036 is the 17006-th square number.

It is an amenable number.

289204036 is a deficient number, since it is larger than the sum of its proper divisors (267816057).

289204036 is an equidigital number, since it uses as much as digits as its factorization.

289204036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The cubic root of 289204036 is about 661.3044571439.

Multiplying 289204036 by its product of nonzero digits (20736), we get a square (5996934890496 = 2448864²).

The spelling of 289204036 in words is "two hundred eighty-nine million, two hundred four thousand, thirty-six".