984488549 has 12 divisors (see below), whose sum is σ = 1119442380. Its totient is φ = 864124800.

The previous prime is 984488543. The next prime is 984488551. The reversal of 984488549 is 945884489.

It can be written as a sum of positive squares in 2 ways, for example, as 163379524 + 821109025 = 12782^2 + 28655^2 .

It is a de Polignac number, because none of the positive numbers 2^k-984488549 is a prime.

It is a super-2 number, since 2×984488549² = 1938435406224250802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984488543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136772 + ... + 143789.

It is an arithmetic number, because the mean of its divisors is an integer number (93286865).

Almost surely, 2^984488549 is an apocalyptic number.

It is an amenable number.

984488549 is a deficient number, since it is larger than the sum of its proper divisors (134953831).

984488549 is a wasteful number, since it uses less digits than its factorization.

984488549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280612 (or 280601 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 59.

The square root of 984488549 is about 31376.5605030252. The cubic root of 984488549 is about 994.8025496436.

The spelling of 984488549 in words is "nine hundred eighty-four million, four hundred eighty-eight thousand, five hundred forty-nine".