8990775 has 36 divisors (see below), whose sum is σ = 16635840. Its totient is φ = 4636800.

The previous prime is 8990747. The next prime is 8990777. The reversal of 8990775 is 5770998.

It is not a de Polignac number, because 8990775 - 2¹⁴ = 8974391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8990775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8990777) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6331 + ... + 7619.

Almost surely, 2^8990775 is an apocalyptic number.

8990775 is a deficient number, since it is larger than the sum of its proper divisors (7645065).

8990775 is a wasteful number, since it uses less digits than its factorization.

8990775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 8990775 is about 2998.4621058136. The cubic root of 8990775 is about 207.9372884786.

The spelling of 8990775 in words is "eight million, nine hundred ninety thousand, seven hundred seventy-five".