939268649 has 16 divisors (see below), whose sum is σ = 1088531136. Its totient is φ = 800985600.

The previous prime is 939268609. The next prime is 939268723. The reversal of 939268649 is 946862939.

It is not a de Polignac number, because 939268649 - 2²⁸ = 670833193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 939268594 and 939268603.

It is not an unprimeable number, because it can be changed into a prime (939268609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49229 + ... + 65589.

It is an arithmetic number, because the mean of its divisors is an integer number (68033196).

Almost surely, 2^939268649 is an apocalyptic number.

It is an amenable number.

939268649 is a deficient number, since it is larger than the sum of its proper divisors (149262487).

939268649 is a wasteful number, since it uses less digits than its factorization.

939268649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16696.

The product of its digits is 5038848, while the sum is 56.

The square root of 939268649 is about 30647.4900929913. The cubic root of 939268649 is about 979.3319927013.

The spelling of 939268649 in words is "nine hundred thirty-nine million, two hundred sixty-eight thousand, six hundred forty-nine".