289506622 has 4 divisors (see below), whose sum is σ = 434259936. Its totient is φ = 144753310.

The previous prime is 289506601. The next prime is 289506641. The reversal of 289506622 is 226605982.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72376654 + ... + 72376657.

It is an arithmetic number, because the mean of its divisors is an integer number (108564984).

Almost surely, 2^289506622 is an apocalyptic number.

289506622 is a deficient number, since it is larger than the sum of its proper divisors (144753314).

289506622 is a wasteful number, since it uses less digits than its factorization.

289506622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144753313.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 289506622 is about 17014.8941225034. The cubic root of 289506622 is about 661.5350114692.

The spelling of 289506622 in words is "two hundred eighty-nine million, five hundred six thousand, six hundred twenty-two".