8990501 has 12 divisors (see below), whose sum is σ = 10289412. Its totient is φ = 7807488.

The previous prime is 8990497. The next prime is 8990533. The reversal of 8990501 is 1050998.

It can be written as a sum of positive squares in 6 ways, for example, as 429025 + 8561476 = 655^2 + 2926^2 .

It is not a de Polignac number, because 8990501 - 2² = 8990497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8990581) 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 11 ways as a sum of consecutive naturals, for example, 2561 + ... + 4953.

It is an arithmetic number, because the mean of its divisors is an integer number (857451).

Almost surely, 2^8990501 is an apocalyptic number.

It is an amenable number.

8990501 is a deficient number, since it is larger than the sum of its proper divisors (1298911).

8990501 is a wasteful number, since it uses less digits than its factorization.

8990501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440 (or 2423 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 8990501 is about 2998.4164153766. The cubic root of 8990501 is about 207.9351761136.

The spelling of 8990501 in words is "eight million, nine hundred ninety thousand, five hundred one".