988426 has 4 divisors (see below), whose sum is σ = 1482642. Its totient is φ = 494212.

The previous prime is 988417. The next prime is 988439. The reversal of 988426 is 624889.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624889 = 179 ⋅3491.

It can be written as a sum of positive squares in only one way, i.e., 497025 + 491401 = 705^2 + 701^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247105 + ... + 247108.

2⁹⁸⁸⁴²⁶ is an apocalyptic number.

988426 is a deficient number, since it is larger than the sum of its proper divisors (494216).

988426 is a wasteful number, since it uses less digits than its factorization.

988426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494215.

The product of its digits is 27648, while the sum is 37.

The square root of 988426 is about 994.1961577073. The cubic root of 988426 is about 99.6127019386.

The spelling of 988426 in words is "nine hundred eighty-eight thousand, four hundred twenty-six".