289228350 has 96 divisors (see below), whose sum is σ = 742452480. Its totient is φ = 74464000.

The previous prime is 289228337. The next prime is 289228399. The reversal of 289228350 is 53822982.

It is a junction number, because it is equal to n+sod(n) for n = 289228299 and 289228308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 805471 + ... + 805829.

It is an arithmetic number, because the mean of its divisors is an integer number (7733880).

Almost surely, 2^289228350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289228350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371226240).

289228350 is an abundant number, since it is smaller than the sum of its proper divisors (453224130).

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

289228350 is a wasteful number, since it uses less digits than its factorization.

289228350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 289228350 is about 17006.7148503172. The cubic root of 289228350 is about 661.3229890498.

The spelling of 289228350 in words is "two hundred eighty-nine million, two hundred twenty-eight thousand, three hundred fifty".