980631 has 6 divisors (see below), whose sum is σ = 1416480. Its totient is φ = 653748.

The previous prime is 980621. The next prime is 980641. The reversal of 980631 is 136089.

It is an interprime number because it is at equal distance from previous prime (980621) and next prime (980641).

It is not a de Polignac number, because 980631 - 2⁵ = 980599 is a prime.

It is a super-2 number, since 2×980631² = 1923274316322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 980595 and 980604.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980631.

It is not an unprimeable number, because it can be changed into a prime (980621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54471 + ... + 54488.

It is an arithmetic number, because the mean of its divisors is an integer number (236080).

2⁹⁸⁰⁶³¹ is an apocalyptic number.

980631 is a deficient number, since it is larger than the sum of its proper divisors (435849).

980631 is a wasteful number, since it uses less digits than its factorization.

980631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108965 (or 108962 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 980631 is about 990.2681455040. The cubic root of 980631 is about 99.3501528006.

The spelling of 980631 in words is "nine hundred eighty thousand, six hundred thirty-one".