980149 has 2 divisors, whose sum is σ = 980150. Its totient is φ = 980148.

The previous prime is 980137. The next prime is 980159. The reversal of 980149 is 941089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 980100 + 49 = 990^2 + 7^2 .

It is a cyclic number.

It is not a de Polignac number, because 980149 - 2⁵ = 980117 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 980149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980159) 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 as a sum of consecutive naturals, namely, 490074 + 490075.

It is an arithmetic number, because the mean of its divisors is an integer number (490075).

2⁹⁸⁰¹⁴⁹ is an apocalyptic number.

It is an amenable number.

980149 is a deficient number, since it is larger than the sum of its proper divisors (1).

980149 is an equidigital number, since it uses as much as digits as its factorization.

980149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 980149 is about 990.0247471654. The cubic root of 980149 is about 99.3338725954. Note that the first 3 decimals are identical.

Subtracting from 980149 its reverse (941089), we obtain a triangular number (39060 = T₂₇₉).

It can be divided in two parts, 9801 and 49, that multiplied together give a square (480249 = 693²).

The spelling of 980149 in words is "nine hundred eighty thousand, one hundred forty-nine".