9774645 has 16 divisors (see below), whose sum is σ = 16463040. Its totient is φ = 4938624.

The previous prime is 9774617. The next prime is 9774647. The reversal of 9774645 is 5464779.

9774645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9774645 - 2⁶ = 9774581 is a prime.

It is a Curzon number.

9774645 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9774597 and 9774606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9774647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16864 + ... + 17433.

It is an arithmetic number, because the mean of its divisors is an integer number (1028940).

Almost surely, 2^9774645 is an apocalyptic number.

9774645 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9774645 is a deficient number, since it is larger than the sum of its proper divisors (6688395).

9774645 is a wasteful number, since it uses less digits than its factorization.

9774645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34324.

The product of its digits is 211680, while the sum is 42.

The square root of 9774645 is about 3126.4428669016. The cubic root of 9774645 is about 213.8127820778.

The spelling of 9774645 in words is "nine million, seven hundred seventy-four thousand, six hundred forty-five".