9920562 has 8 divisors (see below), whose sum is σ = 19841136. Its totient is φ = 3306852.

The previous prime is 9920557. The next prime is 9920579. The reversal of 9920562 is 2650299.

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

9920562 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 826708 + ... + 826719.

It is an arithmetic number, because the mean of its divisors is an integer number (2480142).

Almost surely, 2^9920562 is an apocalyptic number.

9920562 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9920562 is a wasteful number, since it uses less digits than its factorization.

9920562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653432.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 9920562 is about 3149.6923659304. The cubic root of 9920562 is about 214.8714717652.

The spelling of 9920562 in words is "nine million, nine hundred twenty thousand, five hundred sixty-two".