289420707 has 8 divisors (see below), whose sum is σ = 402672384. Its totient is φ = 184558088.

The previous prime is 289420693. The next prime is 289420709. The reversal of 289420707 is 707024982.

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

It is a cyclic number.

It is not a de Polignac number, because 289420707 - 2⁸ = 289420451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (289420709) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2097183 + ... + 2097320.

It is an arithmetic number, because the mean of its divisors is an integer number (50334048).

Almost surely, 2^289420707 is an apocalyptic number.

289420707 is a deficient number, since it is larger than the sum of its proper divisors (113251677).

289420707 is a wasteful number, since it uses less digits than its factorization.

289420707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194529.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 289420707 is about 17012.3692353534. The cubic root of 289420707 is about 661.4695651784.

The spelling of 289420707 in words is "two hundred eighty-nine million, four hundred twenty thousand, seven hundred seven".