8988506 has 8 divisors (see below), whose sum is σ = 13507860. Its totient is φ = 4485888.

The previous prime is 8988503. The next prime is 8988509. The reversal of 8988506 is 6058898.

It is an interprime number because it is at equal distance from previous prime (8988503) and next prime (8988509).

It can be written as a sum of positive squares in 2 ways, for example, as 7645225 + 1343281 = 2765^2 + 1159^2 .

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

It is a super-2 number, since 2×8988506² = 161586480224072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8988503) 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 3 ways as a sum of consecutive naturals, for example, 2741 + ... + 5048.

Almost surely, 2^8988506 is an apocalyptic number.

8988506 is a deficient number, since it is larger than the sum of its proper divisors (4519354).

8988506 is a wasteful number, since it uses less digits than its factorization.

8988506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 8988506 is about 2998.0837213127. The cubic root of 8988506 is about 207.9197946436.

The spelling of 8988506 in words is "eight million, nine hundred eighty-eight thousand, five hundred six".