9990762 has 16 divisors (see below), whose sum is σ = 20032320. Its totient is φ = 3321792.

The previous prime is 9990737. The next prime is 9990767. The reversal of 9990762 is 2670999.

It is not an unprimeable number, because it can be changed into a prime (9990767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738 + ... + 4530.

It is an arithmetic number, because the mean of its divisors is an integer number (1252020).

Almost surely, 2^9990762 is an apocalyptic number.

9990762 is an abundant number, since it is smaller than the sum of its proper divisors (10041558).

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

9990762 is a wasteful number, since it uses less digits than its factorization.

9990762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 9990762 is about 3160.8166666227. The cubic root of 9990762 is about 215.3771063382.

The spelling of 9990762 in words is "nine million, nine hundred ninety thousand, seven hundred sixty-two".