289893242 has 16 divisors (see below), whose sum is σ = 455404032. Its totient is φ = 138138000.

The previous prime is 289893223. The next prime is 289893269. The reversal of 289893242 is 242398982.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367 + ... + 24117.

It is an arithmetic number, because the mean of its divisors is an integer number (28462752).

Almost surely, 2^289893242 is an apocalyptic number.

289893242 is a deficient number, since it is larger than the sum of its proper divisors (165510790).

289893242 is a wasteful number, since it uses less digits than its factorization.

289893242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23053.

The product of its digits is 497664, while the sum is 47.

The square root of 289893242 is about 17026.2515545848. The cubic root of 289893242 is about 661.8293615563.

The spelling of 289893242 in words is "two hundred eighty-nine million, eight hundred ninety-three thousand, two hundred forty-two".