988561432 has 16 divisors (see below), whose sum is σ = 1855211400. Its totient is φ = 493838400.

The previous prime is 988561429. The next prime is 988561463. The reversal of 988561432 is 234165889.

It is a congruent number.

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, 45694 + ... + 63757.

Almost surely, 2^988561432 is an apocalyptic number.

It is an amenable number.

988561432 is a deficient number, since it is larger than the sum of its proper divisors (866649968).

988561432 is a wasteful number, since it uses less digits than its factorization.

988561432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110586 (or 110582 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 988561432 is about 31441.3967883108. The cubic root of 988561432 is about 996.1725130340.

It can be divided in two parts, 9885 and 61432, that added together give a palindrome (71317).

The spelling of 988561432 in words is "nine hundred eighty-eight million, five hundred sixty-one thousand, four hundred thirty-two".