289837049 has 8 divisors (see below), whose sum is σ = 300031560. Its totient is φ = 279655936.

The previous prime is 289837043. The next prime is 289837057. The reversal of 289837049 is 940738982.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 97515625 + 192321424 = 9875^2 + 13868^2 .

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 289837049 - 2⁸ = 289836793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289836988 and 289837006.

It is not an unprimeable number, because it can be changed into a prime (289837043) 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, 63719 + ... + 68115.

It is an arithmetic number, because the mean of its divisors is an integer number (37503945).

Almost surely, 2^289837049 is an apocalyptic number.

289837049 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

289837049 is a deficient number, since it is larger than the sum of its proper divisors (10194511).

289837049 is a wasteful number, since it uses less digits than its factorization.

289837049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6699.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 289837049 is about 17024.6012875486. The cubic root of 289837049 is about 661.7865957203.

The spelling of 289837049 in words is "two hundred eighty-nine million, eight hundred thirty-seven thousand, forty-nine".