9920338 has 4 divisors (see below), whose sum is σ = 14880510. Its totient is φ = 4960168.

The previous prime is 9920311. The next prime is 9920347. The reversal of 9920338 is 8330299.

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., 8803089 + 1117249 = 2967^2 + 1057^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2480083 + ... + 2480086.

Almost surely, 2^9920338 is an apocalyptic number.

9920338 is a deficient number, since it is larger than the sum of its proper divisors (4960172).

9920338 is a wasteful number, since it uses less digits than its factorization.

9920338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960171.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 9920338 is about 3149.6568067013. The cubic root of 9920338 is about 214.8698545325.

The spelling of 9920338 in words is "nine million, nine hundred twenty thousand, three hundred thirty-eight".