9689400 has 144 divisors (see below), whose sum is σ = 37237200. Its totient is φ = 2211840.

The previous prime is 9689389. The next prime is 9689401. The reversal of 9689400 is 49869.

9689400 is digitally balanced in base 2 and base 4, because in such bases 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9689401) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12216 + ... + 12984.

Almost surely, 2^9689400 is an apocalyptic number.

9689400 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9689400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18618600).

9689400 is an abundant number, since it is smaller than the sum of its proper divisors (27547800).

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

9689400 is a wasteful number, since it uses less digits than its factorization.

9689400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 9689400 is about 3112.7801078778. The cubic root of 9689400 is about 213.1894103042.

The spelling of 9689400 in words is "nine million, six hundred eighty-nine thousand, four hundred".