9213764 has 36 divisors (see below), whose sum is σ = 19415340. Its totient is φ = 3810240.

The previous prime is 9213761. The next prime is 9213767. The reversal of 9213764 is 4673129.

It is an interprime number because it is at equal distance from previous prime (9213761) and next prime (9213767).

It can be written as a sum of positive squares in 2 ways, for example, as 6002500 + 3211264 = 2450^2 + 1792^2 .

It is a d-powerful number, because it can be written as 9 + 2²³ + 1 + 3⁵ + 7⁷ + 6⁴ + 4³ .

It is a self number, because there is not a number n which added to its sum of digits gives 9213764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9213761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4874 + ... + 6494.

It is an arithmetic number, because the mean of its divisors is an integer number (539315).

Almost surely, 2^9213764 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 9213764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9707670).

9213764 is an abundant number, since it is smaller than the sum of its proper divisors (10201576).

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

9213764 is a wasteful number, since it uses less digits than its factorization.

9213764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1659 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 9213764 is about 3035.4182578353. The cubic root of 9213764 is about 209.6423542111.

The spelling of 9213764 in words is "nine million, two hundred thirteen thousand, seven hundred sixty-four".