9775040 has 56 divisors (see below), whose sum is σ = 25402032. Its totient is φ = 3553280.

The previous prime is 9775039. The next prime is 9775091. The reversal of 9775040 is 405779.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 9774988 and 9775006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2132 + ... + 4908.

Almost surely, 2^9775040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9775040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12701016).

9775040 is an abundant number, since it is smaller than the sum of its proper divisors (15626992).

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

9775040 is a wasteful number, since it uses less digits than its factorization.

9775040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805 (or 2795 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 9775040 is about 3126.5060370964. The cubic root of 9775040 is about 213.8156621453.

The spelling of 9775040 in words is "nine million, seven hundred seventy-five thousand, forty".