989249 has 2 divisors, whose sum is σ = 989250. Its totient is φ = 989248.

The previous prime is 989239. The next prime is 989251. The reversal of 989249 is 942989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 692224 + 297025 = 832^2 + 545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989249 is a prime.

It is a super-2 number, since 2×989249² = 1957227168002, which contains 22 as substring.

Together with 989251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (989239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494624 + 494625.

It is an arithmetic number, because the mean of its divisors is an integer number (494625).

2⁹⁸⁹²⁴⁹ is an apocalyptic number.

It is an amenable number.

989249 is a deficient number, since it is larger than the sum of its proper divisors (1).

989249 is an equidigital number, since it uses as much as digits as its factorization.

989249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 41.

The square root of 989249 is about 994.6099738088. The cubic root of 989249 is about 99.6403413406.

The spelling of 989249 in words is "nine hundred eighty-nine thousand, two hundred forty-nine".