289430054 has 4 divisors (see below), whose sum is σ = 434145084. Its totient is φ = 144715026.

The previous prime is 289430051. The next prime is 289430093. The reversal of 289430054 is 450034982.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 289429996 and 289430023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289430051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72357512 + ... + 72357515.

It is an arithmetic number, because the mean of its divisors is an integer number (108536271).

Almost surely, 2^289430054 is an apocalyptic number.

289430054 is a deficient number, since it is larger than the sum of its proper divisors (144715030).

289430054 is a wasteful number, since it uses less digits than its factorization.

289430054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144715029.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 289430054 is about 17012.6439450192. The cubic root of 289430054 is about 661.4766859422.

The spelling of 289430054 in words is "two hundred eighty-nine million, four hundred thirty thousand, fifty-four".