10008990 has 24 divisors (see below), whose sum is σ = 26023608. Its totient is φ = 2669040.

The previous prime is 10008983. The next prime is 10009003. The reversal of 10008990 is 9980001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55516 + ... + 55695.

It is an arithmetic number, because the mean of its divisors is an integer number (1084317).

Almost surely, 2^10008990 is an apocalyptic number.

10008990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10008990 is an abundant number, since it is smaller than the sum of its proper divisors (16014618).

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

10008990 is a wasteful number, since it uses less digits than its factorization.

10008990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111224 (or 111221 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 10008990 is about 3163.6987846507. The cubic root of 10008990 is about 215.5080108922.

Adding to 10008990 its reverse (9980001), we get a palindrome (19988991).

The spelling of 10008990 in words is "ten million, eight thousand, nine hundred ninety".