940338243 has 24 divisors (see below), whose sum is σ = 1490357232. Its totient is φ = 567747648.

The previous prime is 940338229. The next prime is 940338257. The reversal of 940338243 is 342833049.

It is a happy number.

940338243 is a `hidden beast` number, since 9 + 403 + 3 + 8 + 243 = 666.

It is an interprime number because it is at equal distance from previous prime (940338229) and next prime (940338257).

It is not a de Polignac number, because 940338243 - 2⁴ = 940338227 is a prime.

It is a super-2 number, since 2×940338243² = 1768472022496654098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 940338198 and 940338207.

It is not an unprimeable number, because it can be changed into a prime (940338143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69621 + ... + 82022.

It is an arithmetic number, because the mean of its divisors is an integer number (62098218).

Almost surely, 2^940338243 is an apocalyptic number.

940338243 is a deficient number, since it is larger than the sum of its proper divisors (550018989).

940338243 is a wasteful number, since it uses less digits than its factorization.

940338243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151715 (or 151712 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 940338243 is about 30664.9350724896. The cubic root of 940338243 is about 979.7035904212.

The spelling of 940338243 in words is "nine hundred forty million, three hundred thirty-eight thousand, two hundred forty-three".