986958 has 48 divisors (see below), whose sum is σ = 2558160. Its totient is φ = 281232.

The previous prime is 986941. The next prime is 986959. The reversal of 986958 is 859689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2460 + ... + 2832.

It is an arithmetic number, because the mean of its divisors is an integer number (53295).

2⁹⁸⁶⁹⁵⁸ is an apocalyptic number.

986958 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 986958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1279080).

986958 is an abundant number, since it is smaller than the sum of its proper divisors (1571202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

986958 is a wasteful number, since it uses less digits than its factorization.

986958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 385 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 986958 is about 993.4575984912. The cubic root of 986958 is about 99.5633629221.

It can be divided in two parts, 98 and 6958, that added together give a square (7056 = 84²).

The spelling of 986958 in words is "nine hundred eighty-six thousand, nine hundred fifty-eight".