988289642 has 8 divisors (see below), whose sum is σ = 1499091300. Its totient is φ = 488592544.

The previous prime is 988289629. The next prime is 988289651. The reversal of 988289642 is 246982889.

988289642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 981005041 + 7284601 = 31321^2 + 2699^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2775917 + ... + 2776272.

Almost surely, 2^988289642 is an apocalyptic number.

988289642 is a deficient number, since it is larger than the sum of its proper divisors (510801658).

988289642 is a wasteful number, since it uses less digits than its factorization.

988289642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552280.

The product of its digits is 3981312, while the sum is 56.

The square root of 988289642 is about 31437.0743231618. The cubic root of 988289642 is about 996.0812104822.

The spelling of 988289642 in words is "nine hundred eighty-eight million, two hundred eighty-nine thousand, six hundred forty-two".