289474870 has 16 divisors (see below), whose sum is σ = 530886960. Its totient is φ = 113605024.

The previous prime is 289474859. The next prime is 289474879. The reversal of 289474870 is 78474982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289474879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272560 + ... + 273619.

It is an arithmetic number, because the mean of its divisors is an integer number (33180435).

Almost surely, 2^289474870 is an apocalyptic number.

289474870 is a deficient number, since it is larger than the sum of its proper divisors (241412090).

289474870 is a wasteful number, since it uses less digits than its factorization.

289474870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546239.

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 289474870 is about 17013.9610320466. The cubic root of 289474870 is about 661.5108256923.

The spelling of 289474870 in words is "two hundred eighty-nine million, four hundred seventy-four thousand, eight hundred seventy".