988457652 has 144 divisors (see below), whose sum is σ = 3094046592. Its totient is φ = 259096320.

The previous prime is 988457647. The next prime is 988457681. The reversal of 988457652 is 256754889.

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 in 47 ways as a sum of consecutive naturals, for example, 592123 + ... + 593789.

Almost surely, 2^988457652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 988457652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547023296).

988457652 is an abundant number, since it is smaller than the sum of its proper divisors (2105588940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

988457652 is a wasteful number, since it uses less digits than its factorization.

988457652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878 (or 1873 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 988457652 is about 31439.7463730228. The cubic root of 988457652 is about 996.1376521415.

The spelling of 988457652 in words is "nine hundred eighty-eight million, four hundred fifty-seven thousand, six hundred fifty-two".