289903074 has 16 divisors (see below), whose sum is σ = 613912608. Its totient is φ = 90949952.

The previous prime is 289903073. The next prime is 289903123. The reversal of 289903074 is 470309982.

It is not an unprimeable number, because it can be changed into a prime (289903073) 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, 1420992 + ... + 1421195.

It is an arithmetic number, because the mean of its divisors is an integer number (38369538).

Almost surely, 2^289903074 is an apocalyptic number.

289903074 is an abundant number, since it is smaller than the sum of its proper divisors (324009534).

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

289903074 is a wasteful number, since it uses less digits than its factorization.

289903074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842209.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 289903074 is about 17026.5402827468. The cubic root of 289903074 is about 661.8368436587.

The spelling of 289903074 in words is "two hundred eighty-nine million, nine hundred three thousand, seventy-four".