9638460 has 96 divisors (see below), whose sum is σ = 32316480. Its totient is φ = 2370816.

The previous prime is 9638459. The next prime is 9638471. The reversal of 9638460 is 648369.

It is a super-2 number, since 2×9638460² = 185799822343200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 6334 + ... + 7706.

It is an arithmetic number, because the mean of its divisors is an integer number (336630).

Almost surely, 2^9638460 is an apocalyptic number.

9638460 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 9638460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16158240).

9638460 is an abundant number, since it is smaller than the sum of its proper divisors (22678020).

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

9638460 is a wasteful number, since it uses less digits than its factorization.

9638460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 9638460 is about 3104.5869290455. The cubic root of 9638460 is about 212.8151540549.

The spelling of 9638460 in words is "nine million, six hundred thirty-eight thousand, four hundred sixty".