988297530 has 64 divisors (see below), whose sum is σ = 2590963200. Its totient is φ = 239270720.

The previous prime is 988297523. The next prime is 988297561. The reversal of 988297530 is 35792889.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334801 + ... + 337739.

It is an arithmetic number, because the mean of its divisors is an integer number (40483800).

Almost surely, 2^988297530 is an apocalyptic number.

988297530 is an abundant number, since it is smaller than the sum of its proper divisors (1602665670).

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

988297530 is a wasteful number, since it uses less digits than its factorization.

988297530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 988297530 is about 31437.1997798786. The cubic root of 988297530 is about 996.0838605379.

The spelling of 988297530 in words is "nine hundred eighty-eight million, two hundred ninety-seven thousand, five hundred thirty".