289016478 has 16 divisors (see below), whose sum is σ = 642258960. Its totient is φ = 96338808.

The previous prime is 289016477. The next prime is 289016479. The reversal of 289016478 is 874610982.

It is an interprime number because it is at equal distance from previous prime (289016477) and next prime (289016479).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289016477) 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 7 ways as a sum of consecutive naturals, for example, 2676025 + ... + 2676132.

It is an arithmetic number, because the mean of its divisors is an integer number (40141185).

Almost surely, 2^289016478 is an apocalyptic number.

289016478 is an abundant number, since it is smaller than the sum of its proper divisors (353242482).

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

289016478 is a wasteful number, since it uses less digits than its factorization.

289016478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352168 (or 5352162 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 289016478 is about 17000.4846401507. The cubic root of 289016478 is about 661.1614672490.

The spelling of 289016478 in words is "two hundred eighty-nine million, sixteen thousand, four hundred seventy-eight".