289876692 has 96 divisors (see below), whose sum is σ = 841881600. Its totient is φ = 75745152.

The previous prime is 289876687. The next prime is 289876693. The reversal of 289876692 is 296678982.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289876693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43153 + ... + 49415.

It is an arithmetic number, because the mean of its divisors is an integer number (8769600).

Almost surely, 2^289876692 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 289876692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420940800).

289876692 is an abundant number, since it is smaller than the sum of its proper divisors (552004908).

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

289876692 is a wasteful number, since it uses less digits than its factorization.

289876692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325 (or 6323 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The square root of 289876692 is about 17025.7655334496. The cubic root of 289876692 is about 661.8167667078.

The spelling of 289876692 in words is "two hundred eighty-nine million, eight hundred seventy-six thousand, six hundred ninety-two".