988661452 has 24 divisors (see below), whose sum is σ = 1841162400. Its totient is φ = 462908160.

The previous prime is 988661441. The next prime is 988661473. The reversal of 988661452 is 254166889.

It is a junction number, because it is equal to n+sod(n) for n = 988661396 and 988661405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22999 + ... + 50062.

It is an arithmetic number, because the mean of its divisors is an integer number (76715100).

Almost surely, 2^988661452 is an apocalyptic number.

It is an amenable number.

988661452 is a deficient number, since it is larger than the sum of its proper divisors (852500948).

988661452 is a wasteful number, since it uses less digits than its factorization.

988661452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73281 (or 73279 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The square root of 988661452 is about 31442.9873262704. The cubic root of 988661452 is about 996.2061085906.

The spelling of 988661452 in words is "nine hundred eighty-eight million, six hundred sixty-one thousand, four hundred fifty-two".