289363146 has 32 divisors (see below), whose sum is σ = 590882688. Its totient is φ = 94436160.

The previous prime is 289363133. The next prime is 289363147. The reversal of 289363146 is 641363982.

It is a junction number, because it is equal to n+sod(n) for n = 289363098 and 289363107.

It is not an unprimeable number, because it can be changed into a prime (289363147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298755 + ... + 299721.

It is an arithmetic number, because the mean of its divisors is an integer number (18465084).

Almost surely, 2^289363146 is an apocalyptic number.

289363146 is an abundant number, since it is smaller than the sum of its proper divisors (301519542).

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

289363146 is a wasteful number, since it uses less digits than its factorization.

289363146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966.

The product of its digits is 186624, while the sum is 42.

The square root of 289363146 is about 17010.6774115554. The cubic root of 289363146 is about 661.4257104793.

The spelling of 289363146 in words is "two hundred eighty-nine million, three hundred sixty-three thousand, one hundred forty-six".