980455 has 16 divisors (see below), whose sum is σ = 1362240. Its totient is φ = 663552.

The previous prime is 980449. The next prime is 980459. The reversal of 980455 is 554089.

It is a 13-Lehmer number, since φ(980455) divides (980455-1)¹³.

It is a cyclic number.

It is not a de Polignac number, because 980455 - 2⁵ = 980423 is a prime.

It is a super-2 number, since 2×980455² = 1922584014050, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980459) 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, 3687 + ... + 3943.

It is an arithmetic number, because the mean of its divisors is an integer number (85140).

2⁹⁸⁰⁴⁵⁵ is an apocalyptic number.

980455 is a deficient number, since it is larger than the sum of its proper divisors (381785).

980455 is a wasteful number, since it uses less digits than its factorization.

980455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 980455 is about 990.1792766969. The cubic root of 980455 is about 99.3442087798.

The spelling of 980455 in words is "nine hundred eighty thousand, four hundred fifty-five".