289474450 has 24 divisors (see below), whose sum is σ = 542309040. Its totient is φ = 114954000.

The previous prime is 289474447. The next prime is 289474459. The reversal of 289474450 is 54474982.

It is a junction number, because it is equal to n+sod(n) for n = 289474397 and 289474406.

It is not an unprimeable number, because it can be changed into a prime (289474459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13876 + ... + 27775.

It is an arithmetic number, because the mean of its divisors is an integer number (22596210).

Almost surely, 2^289474450 is an apocalyptic number.

289474450 is a deficient number, since it is larger than the sum of its proper divisors (252834590).

289474450 is a wasteful number, since it uses less digits than its factorization.

289474450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41802 (or 41797 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 289474450 is about 17013.9486892373. The cubic root of 289474450 is about 661.5105057628.

The spelling of 289474450 in words is "two hundred eighty-nine million, four hundred seventy-four thousand, four hundred fifty".