289226750 has 16 divisors (see below), whose sum is σ = 541432944. Its totient is φ = 115690600.

The previous prime is 289226737. The next prime is 289226753. The reversal of 289226750 is 57622982.

289226750 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×289226750² = 167304225831125000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 289226698 and 289226707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289226753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578204 + ... + 578703.

It is an arithmetic number, because the mean of its divisors is an integer number (33839559).

Almost surely, 2^289226750 is an apocalyptic number.

289226750 is a deficient number, since it is larger than the sum of its proper divisors (252206194).

289226750 is a wasteful number, since it uses less digits than its factorization.

289226750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156924 (or 1156914 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 289226750 is about 17006.6678100091. The cubic root of 289226750 is about 661.3217695766.

The spelling of 289226750 in words is "two hundred eighty-nine million, two hundred twenty-six thousand, seven hundred fifty".