988942 has 4 divisors (see below), whose sum is σ = 1483416. Its totient is φ = 494470.

The previous prime is 988937. The next prime is 988951. The reversal of 988942 is 249889.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249889 = 283 ⋅883.

It is a junction number, because it is equal to n+sod(n) for n = 988895 and 988904.

It is a congruent number.

It is an unprimeable number.

988942 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 247234 + ... + 247237.

It is an arithmetic number, because the mean of its divisors is an integer number (370854).

2⁹⁸⁸⁹⁴² is an apocalyptic number.

988942 is a deficient number, since it is larger than the sum of its proper divisors (494474).

988942 is a wasteful number, since it uses less digits than its factorization.

988942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494473.

The product of its digits is 41472, while the sum is 40.

The square root of 988942 is about 994.4556299805. The cubic root of 988942 is about 99.6300329317.

The spelling of 988942 in words is "nine hundred eighty-eight thousand, nine hundred forty-two".