289226629 has 4 divisors (see below), whose sum is σ = 289317600. Its totient is φ = 289135660.

The previous prime is 289226573. The next prime is 289226653. The reversal of 289226629 is 926622982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-289226629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289226659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40537 + ... + 47134.

It is an arithmetic number, because the mean of its divisors is an integer number (72329400).

Almost surely, 2^289226629 is an apocalyptic number.

It is an amenable number.

289226629 is a deficient number, since it is larger than the sum of its proper divisors (90971).

289226629 is an equidigital number, since it uses as much as digits as its factorization.

289226629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90970.

The product of its digits is 373248, while the sum is 46.

The square root of 289226629 is about 17006.6642525805. The cubic root of 289226629 is about 661.3216773537.

The spelling of 289226629 in words is "two hundred eighty-nine million, two hundred twenty-six thousand, six hundred twenty-nine".