289141092 has 72 divisors (see below), whose sum is σ = 762524672. Its totient is φ = 92275200.

The previous prime is 289141081. The next prime is 289141121. The reversal of 289141092 is 290141982.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106917 + ... + 109587.

Almost surely, 2^289141092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289141092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381262336).

289141092 is an abundant number, since it is smaller than the sum of its proper divisors (473383580).

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

289141092 is a wasteful number, since it uses less digits than its factorization.

289141092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809 (or 2804 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 289141092 is about 17004.1492583428. The cubic root of 289141092 is about 661.2564769836.

Adding to 289141092 its sum of digits (36), we get a triangular number (289141128 = T₂₄₀₄₇).

The spelling of 289141092 in words is "two hundred eighty-nine million, one hundred forty-one thousand, ninety-two".