989650476 has 18 divisors (see below), whose sum is σ = 2501616572. Its totient is φ = 329883480.

The previous prime is 989650447. The next prime is 989650477. The reversal of 989650476 is 674056989.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (989650477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13745110 + ... + 13745181.

Almost surely, 2^989650476 is an apocalyptic number.

It is an amenable number.

989650476 is an abundant number, since it is smaller than the sum of its proper divisors (1511966096).

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

989650476 is a wasteful number, since it uses less digits than its factorization.

989650476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27490301 (or 27490296 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 989650476 is about 31458.7106538078. The cubic root of 989650476 is about 996.5381883558.

The spelling of 989650476 in words is "nine hundred eighty-nine million, six hundred fifty thousand, four hundred seventy-six".