9899002 has 4 divisors (see below), whose sum is σ = 14848506. Its totient is φ = 4949500.

The previous prime is 9898979. The next prime is 9899003. The reversal of 9899002 is 2009989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8288641 + 1610361 = 2879^2 + 1269^2 .

It is not an unprimeable number, because it can be changed into a prime (9899003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2474749 + ... + 2474752.

Almost surely, 2^9899002 is an apocalyptic number.

9899002 is a deficient number, since it is larger than the sum of its proper divisors (4949504).

9899002 is a wasteful number, since it uses less digits than its factorization.

9899002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949503.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 9899002 is about 3146.2679479027. The cubic root of 9899002 is about 214.7157013910.

The spelling of 9899002 in words is "nine million, eight hundred ninety-nine thousand, two".