289739474 has 8 divisors (see below), whose sum is σ = 457483440. Its totient is φ = 137244996.

The previous prime is 289739467. The next prime is 289739491. The reversal of 289739474 is 474937982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3812324 + ... + 3812399.

It is an arithmetic number, because the mean of its divisors is an integer number (57185430).

Almost surely, 2^289739474 is an apocalyptic number.

289739474 is a deficient number, since it is larger than the sum of its proper divisors (167743966).

289739474 is a wasteful number, since it uses less digits than its factorization.

289739474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624744.

The product of its digits is 3048192, while the sum is 53.

The square root of 289739474 is about 17021.7353404405. The cubic root of 289739474 is about 661.7123228659.

The spelling of 289739474 in words is "two hundred eighty-nine million, seven hundred thirty-nine thousand, four hundred seventy-four".