8790489 has 6 divisors (see below), whose sum is σ = 12697386. Its totient is φ = 5860320.

The previous prime is 8790487. The next prime is 8790517. The reversal of 8790489 is 9840978.

8790489 is a `hidden beast` number, since 87 + 90 + 489 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7617600 + 1172889 = 2760^2 + 1083^2 .

It is not a de Polignac number, because 8790489 - 2¹ = 8790487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8790487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 488352 + ... + 488369.

It is an arithmetic number, because the mean of its divisors is an integer number (2116231).

Almost surely, 2^8790489 is an apocalyptic number.

It is an amenable number.

8790489 is a deficient number, since it is larger than the sum of its proper divisors (3906897).

8790489 is a wasteful number, since it uses less digits than its factorization.

8790489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976727 (or 976724 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8790489 is about 2964.8758827310. The cubic root of 8790489 is about 206.3816173686.

The spelling of 8790489 in words is "eight million, seven hundred ninety thousand, four hundred eighty-nine".