289808054 has 16 divisors (see below), whose sum is σ = 437875200. Its totient is φ = 143853864.

The previous prime is 289808047. The next prime is 289808093. The reversal of 289808054 is 450808982.

It is a junction number, because it is equal to n+sod(n) for n = 289807996 and 289808014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199559 + ... + 201005.

It is an arithmetic number, because the mean of its divisors is an integer number (27367200).

Almost surely, 2^289808054 is an apocalyptic number.

289808054 is a deficient number, since it is larger than the sum of its proper divisors (148067146).

289808054 is a wasteful number, since it uses less digits than its factorization.

289808054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107.

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 289808054 is about 17023.7497044570. The cubic root of 289808054 is about 661.7645268344.

The spelling of 289808054 in words is "two hundred eighty-nine million, eight hundred eight thousand, fifty-four".