988626 has 8 divisors (see below), whose sum is σ = 1977264. Its totient is φ = 329540.

The previous prime is 988607. The next prime is 988643. The reversal of 988626 is 626889.

It is a sphenic number, since it is the product of 3 distinct primes.

988626 is an admirable number.

It is a super-3 number, since 3×988626³ = 2898793896593335128, which contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82380 + ... + 82391.

It is an arithmetic number, because the mean of its divisors is an integer number (247158).

2⁹⁸⁸⁶²⁶ is an apocalyptic number.

988626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

988626 is a wasteful number, since it uses less digits than its factorization.

988626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164776.

The product of its digits is 41472, while the sum is 39.

The square root of 988626 is about 994.2967363921. The cubic root of 988626 is about 99.6194200935.

The spelling of 988626 in words is "nine hundred eighty-eight thousand, six hundred twenty-six".