988044742 has 4 divisors (see below), whose sum is σ = 1482067116. Its totient is φ = 494022370.

The previous prime is 988044713. The next prime is 988044769. The reversal of 988044742 is 247440889.

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: 247440889 = 97 ⋅2550937.

It is a junction number, because it is equal to n+sod(n) for n = 988044692 and 988044701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247011184 + ... + 247011187.

It is an arithmetic number, because the mean of its divisors is an integer number (370516779).

Almost surely, 2^988044742 is an apocalyptic number.

988044742 is a deficient number, since it is larger than the sum of its proper divisors (494022374).

988044742 is a wasteful number, since it uses less digits than its factorization.

988044742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494022373.

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 988044742 is about 31433.1789992676. The cubic root of 988044742 is about 995.9989267635.

The spelling of 988044742 in words is "nine hundred eighty-eight million, forty-four thousand, seven hundred forty-two".