9900242 has 8 divisors (see below), whose sum is σ = 16200432. Its totient is φ = 4500100.

The previous prime is 9900203. The next prime is 9900251. The reversal of 9900242 is 2420099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224984 + ... + 225027.

It is an arithmetic number, because the mean of its divisors is an integer number (2025054).

Almost surely, 2^9900242 is an apocalyptic number.

9900242 is a deficient number, since it is larger than the sum of its proper divisors (6300190).

9900242 is a wasteful number, since it uses less digits than its factorization.

9900242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450024.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 9900242 is about 3146.4650005999. The cubic root of 9900242 is about 214.7246664818.

The spelling of 9900242 in words is "nine million, nine hundred thousand, two hundred forty-two".