10889490 has 16 divisors (see below), whose sum is σ = 26134848. Its totient is φ = 2903856.

The previous prime is 10889441. The next prime is 10889491. The reversal of 10889490 is 9498801.

It is not an unprimeable number, because it can be changed into a prime (10889491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181462 + ... + 181521.

It is an arithmetic number, because the mean of its divisors is an integer number (1633428).

Almost surely, 2^10889490 is an apocalyptic number.

10889490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10889490 is an abundant number, since it is smaller than the sum of its proper divisors (15245358).

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

10889490 is a wasteful number, since it uses less digits than its factorization.

10889490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362993.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 10889490 is about 3299.9227263680. The cubic root of 10889490 is about 221.6507372301.

It can be divided in two parts, 108 and 89490, that added together give a palindrome (89598).

The spelling of 10889490 in words is "ten million, eight hundred eighty-nine thousand, four hundred ninety".