289606542 has 16 divisors (see below), whose sum is σ = 584837760. Its totient is φ = 95598072.

The previous prime is 289606523. The next prime is 289606601. The reversal of 289606542 is 245606982.

It is a junction number, because it is equal to n+sod(n) for n = 289606494 and 289606503.

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, 233692 + ... + 234927.

It is an arithmetic number, because the mean of its divisors is an integer number (36552360).

Almost surely, 2^289606542 is an apocalyptic number.

289606542 is an abundant number, since it is smaller than the sum of its proper divisors (295231218).

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

289606542 is a wasteful number, since it uses less digits than its factorization.

289606542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468727.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 289606542 is about 17017.8301202004. The cubic root of 289606542 is about 661.6111098726.

The spelling of 289606542 in words is "two hundred eighty-nine million, six hundred six thousand, five hundred forty-two".