289476345 has 32 divisors (see below), whose sum is σ = 478252800. Its totient is φ = 149402880.

The previous prime is 289476329. The next prime is 289476371. The reversal of 289476345 is 543674982.

It is not a de Polignac number, because 289476345 - 2⁴ = 289476329 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 289476294 and 289476303.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 109135 + ... + 111755.

It is an arithmetic number, because the mean of its divisors is an integer number (14945400).

Almost surely, 2^289476345 is an apocalyptic number.

It is an amenable number.

289476345 is a deficient number, since it is larger than the sum of its proper divisors (188776455).

289476345 is a wasteful number, since it uses less digits than its factorization.

289476345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865.

The product of its digits is 1451520, while the sum is 48.

The square root of 289476345 is about 17014.0043787464. The cubic root of 289476345 is about 661.5119492519.

The spelling of 289476345 in words is "two hundred eighty-nine million, four hundred seventy-six thousand, three hundred forty-five".