9243621 has 12 divisors (see below), whose sum is σ = 13485420. Its totient is φ = 6100800.

The previous prime is 9243613. The next prime is 9243649. The reversal of 9243621 is 1263429.

9243621 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8767521 + 476100 = 2961^2 + 690^2 .

It is not a de Polignac number, because 9243621 - 2³ = 9243613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9243691) 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, 4176 + ... + 5993.

It is an arithmetic number, because the mean of its divisors is an integer number (1123785).

Almost surely, 2^9243621 is an apocalyptic number.

It is an amenable number.

9243621 is a deficient number, since it is larger than the sum of its proper divisors (4241799).

9243621 is a wasteful number, since it uses less digits than its factorization.

9243621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10276 (or 10273 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 9243621 is about 3040.3323831450. The cubic root of 9243621 is about 209.8685572005.

The spelling of 9243621 in words is "nine million, two hundred forty-three thousand, six hundred twenty-one".