980155 has 16 divisors (see below), whose sum is σ = 1306368. Its totient is φ = 700000.

The previous prime is 980149. The next prime is 980159. The reversal of 980155 is 551089.

It is not a de Polignac number, because 980155 - 2⁷ = 980027 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3780 + ... + 4030.

It is an arithmetic number, because the mean of its divisors is an integer number (81648).

2⁹⁸⁰¹⁵⁵ is an apocalyptic number.

980155 is a deficient number, since it is larger than the sum of its proper divisors (326213).

980155 is a wasteful number, since it uses less digits than its factorization.

980155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 980155 is about 990.0277773881. The cubic root of 980155 is about 99.3340752864.

The spelling of 980155 in words is "nine hundred eighty thousand, one hundred fifty-five".