989898148 has 12 divisors (see below), whose sum is σ = 1779141532. Its totient is φ = 481572000.

The previous prime is 989898131. The next prime is 989898149. The reversal of 989898148 is 841898989.

It can be written as a sum of positive squares in 2 ways, for example, as 475152804 + 514745344 = 21798^2 + 22688^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 989898148.

It is not an unprimeable number, because it can be changed into a prime (989898149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3344103 + ... + 3344398.

Almost surely, 2^989898148 is an apocalyptic number.

It is an amenable number.

989898148 is a deficient number, since it is larger than the sum of its proper divisors (789243384).

989898148 is a wasteful number, since it uses less digits than its factorization.

989898148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688542 (or 6688540 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 64.

The square root of 989898148 is about 31462.6468689460. The cubic root of 989898148 is about 996.6213133329.

The spelling of 989898148 in words is "nine hundred eighty-nine million, eight hundred ninety-eight thousand, one hundred forty-eight".