3940533307 has 4 divisors (see below), whose sum is σ = 3940797640. Its totient is φ = 3940268976.

The previous prime is 3940533269. The next prime is 3940533323. The reversal of 3940533307 is 7033350493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3940533307 - 2¹⁹ = 3940009019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3940533007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108378 + ... + 140095.

It is an arithmetic number, because the mean of its divisors is an integer number (985199410).

Almost surely, 2^3940533307 is an apocalyptic number.

3940533307 is a deficient number, since it is larger than the sum of its proper divisors (264333).

3940533307 is a wasteful number, since it uses less digits than its factorization.

3940533307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264332.

The product of its (nonzero) digits is 102060, while the sum is 37.

The square root of 3940533307 is about 62773.6673056466. The cubic root of 3940533307 is about 1579.4952865034.

The spelling of 3940533307 in words is "three billion, nine hundred forty million, five hundred thirty-three thousand, three hundred seven".