9990802 has 8 divisors (see below), whose sum is σ = 15004476.
Its totient is φ = 4989312.
The previous prime is 9990797. The next prime is 9990803. The reversal of 9990802 is 2080999.
It can be written as a sum of positive squares in 2 ways, for example, as 9928801 + 62001 = 3151^2 + 249^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×99908022 = 199632249206408, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (9990803) 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, 603 + ... + 4510.
Almost surely, 29990802 is an apocalyptic number.
9990802 is a deficient number, since it is larger than the sum of its proper divisors (5013674).
9990802 is a wasteful number, since it uses less digits than its factorization.
9990802 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6092.
The product of its (nonzero) digits is 11664, while the sum is 37.
The square root of 9990802 is about 3160.8229940951.
The cubic root of 9990802 is about 215.3773937728.
The spelling of 9990802 in words is "nine million, nine hundred ninety thousand, eight hundred two".