9689490 has 64 divisors (see below), whose sum is σ = 27371520. Its totient is φ = 2430720.

The previous prime is 9689483. The next prime is 9689521. The reversal of 9689490 is 949869.

9689490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3535 + ... + 5645.

It is an arithmetic number, because the mean of its divisors is an integer number (427680).

Almost surely, 2^9689490 is an apocalyptic number.

9689490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9689490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13685760).

9689490 is an abundant number, since it is smaller than the sum of its proper divisors (17682030).

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

9689490 is a wasteful number, since it uses less digits than its factorization.

9689490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144 (or 2138 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 9689490 is about 3112.7945643746. The cubic root of 9689490 is about 213.1900703722.

The spelling of 9689490 in words is "nine million, six hundred eighty-nine thousand, four hundred ninety".