980689449 has 16 divisors (see below), whose sum is σ = 1320669504. Its totient is φ = 647275200.

The previous prime is 980689363. The next prime is 980689453. The reversal of 980689449 is 944986089.

It is not a de Polignac number, because 980689449 - 2⁷ = 980689321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (980689469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178467 + ... + 183879.

It is an arithmetic number, because the mean of its divisors is an integer number (82541844).

Almost surely, 2^980689449 is an apocalyptic number.

It is an amenable number.

980689449 is a deficient number, since it is larger than the sum of its proper divisors (339980055).

980689449 is a wasteful number, since it uses less digits than its factorization.

980689449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6008.

The product of its (nonzero) digits is 4478976, while the sum is 57.

The square root of 980689449 is about 31315.9615691423. The cubic root of 980689449 is about 993.5212663227.

The spelling of 980689449 in words is "nine hundred eighty million, six hundred eighty-nine thousand, four hundred forty-nine".