989086530 has 32 divisors (see below), whose sum is σ = 2418600384. Its totient is φ = 258779456.

The previous prime is 989086529. The next prime is 989086531. The reversal of 989086530 is 35680989.

It is an interprime number because it is at equal distance from previous prime (989086529) and next prime (989086531).

It is a self number, because there is not a number n which added to its sum of digits gives 989086530.

It is not an unprimeable number, because it can be changed into a prime (989086531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309444 + ... + 312623.

It is an arithmetic number, because the mean of its divisors is an integer number (75581262).

Almost surely, 2^989086530 is an apocalyptic number.

989086530 is an abundant number, since it is smaller than the sum of its proper divisors (1429513854).

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

989086530 is a wasteful number, since it uses less digits than its factorization.

989086530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622130.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 989086530 is about 31449.7461039036. The cubic root of 989086530 is about 996.3488620828.

The spelling of 989086530 in words is "nine hundred eighty-nine million, eighty-six thousand, five hundred thirty".