289034747 has 2 divisors, whose sum is σ = 289034748. Its totient is φ = 289034746.

The previous prime is 289034743. The next prime is 289034771. The reversal of 289034747 is 747430982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 289034747 - 2² = 289034743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289034698 and 289034707.

It is not a weakly prime, because it can be changed into another prime (289034743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144517373 + 144517374.

It is an arithmetic number, because the mean of its divisors is an integer number (144517374).

Almost surely, 2^289034747 is an apocalyptic number.

289034747 is a deficient number, since it is larger than the sum of its proper divisors (1).

289034747 is an equidigital number, since it uses as much as digits as its factorization.

289034747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 289034747 is about 17001.0219398717. The cubic root of 289034747 is about 661.1753978323.

The spelling of 289034747 in words is "two hundred eighty-nine million, thirty-four thousand, seven hundred forty-seven".