9773838 has 32 divisors (see below), whose sum is σ = 22187520. Its totient is φ = 3187800.

The previous prime is 9773837. The next prime is 9773839. The reversal of 9773838 is 8383779.

It is an interprime number because it is at equal distance from previous prime (9773837) and next prime (9773839).

It is a junction number, because it is equal to n+sod(n) for n = 9773793 and 9773802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9773833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613 + ... + 4463.

It is an arithmetic number, because the mean of its divisors is an integer number (693360).

Almost surely, 2^9773838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9773838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11093760).

9773838 is an abundant number, since it is smaller than the sum of its proper divisors (12413682).

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

9773838 is a wasteful number, since it uses less digits than its factorization.

9773838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909 (or 3903 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 9773838 is about 3126.3138038271. The cubic root of 9773838 is about 213.8068977494.

The spelling of 9773838 in words is "nine million, seven hundred seventy-three thousand, eight hundred thirty-eight".