8490006 has 48 divisors (see below), whose sum is σ = 21525504. Its totient is φ = 2367792.

The previous prime is 8489969. The next prime is 8490019. The reversal of 8490006 is 6000948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4635 + ... + 6201.

It is an arithmetic number, because the mean of its divisors is an integer number (448448).

Almost surely, 2^8490006 is an apocalyptic number.

8490006 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 8490006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10762752).

8490006 is an abundant number, since it is smaller than the sum of its proper divisors (13035498).

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

8490006 is a wasteful number, since it uses less digits than its factorization.

8490006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 8490006 is about 2913.7614864638. The cubic root of 8490006 is about 204.0027392942.

The spelling of 8490006 in words is "eight million, four hundred ninety thousand, six".