988549 has 2 divisors, whose sum is σ = 988550. Its totient is φ = 988548.

The previous prime is 988541. The next prime is 988571. The reversal of 988549 is 945889.

It is a happy number.

988549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 986049 + 2500 = 993^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 988549 - 2³ = 988541 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 988549.

It is not a weakly prime, because it can be changed into another prime (988541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494274 + 494275.

It is an arithmetic number, because the mean of its divisors is an integer number (494275).

2⁹⁸⁸⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

988549 is a deficient number, since it is larger than the sum of its proper divisors (1).

988549 is an equidigital number, since it uses as much as digits as its factorization.

988549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 43.

The square root of 988549 is about 994.2580148030. The cubic root of 988549 is about 99.6168337111.

The spelling of 988549 in words is "nine hundred eighty-eight thousand, five hundred forty-nine".