988142 has 8 divisors (see below), whose sum is σ = 1569456. Its totient is φ = 464992.

The previous prime is 988129. The next prime is 988147. The reversal of 988142 is 241889.

It is a happy number.

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

It is a super-2 number, since 2×988142² = 1952849224328, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 988099 and 988108.

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 988142.

It is not an unprimeable number, because it can be changed into a prime (988147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14498 + ... + 14565.

It is an arithmetic number, because the mean of its divisors is an integer number (196182).

2⁹⁸⁸¹⁴² is an apocalyptic number.

988142 is a deficient number, since it is larger than the sum of its proper divisors (581314).

988142 is a wasteful number, since it uses less digits than its factorization.

988142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29082.

The product of its digits is 4608, while the sum is 32.

The square root of 988142 is about 994.0533184895. The cubic root of 988142 is about 99.6031606014.

The spelling of 988142 in words is "nine hundred eighty-eight thousand, one hundred forty-two".