3892939309 has 6 divisors (see below), whose sum is σ = 4528521294. Its totient is φ = 3336805080.

The previous prime is 3892939307. The next prime is 3892939319. The reversal of 3892939309 is 9039392983.

It can be written as a sum of positive squares in only one way, i.e., 3615616900 + 277322409 = 60130^2 + 16653^2 .

It is not a de Polignac number, because 3892939309 - 2¹ = 3892939307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3892939309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3892939307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39723822 + ... + 39723919.

It is an arithmetic number, because the mean of its divisors is an integer number (754753549).

Almost surely, 2^3892939309 is an apocalyptic number.

It is an amenable number.

3892939309 is a deficient number, since it is larger than the sum of its proper divisors (635581985).

3892939309 is an equidigital number, since it uses as much as digits as its factorization.

3892939309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79447755 (or 79447748 counting only the distinct ones).

The product of its (nonzero) digits is 2834352, while the sum is 55.

The square root of 3892939309 is about 62393.4236037741. The cubic root of 3892939309 is about 1573.1104318854.

The spelling of 3892939309 in words is "three billion, eight hundred ninety-two million, nine hundred thirty-nine thousand, three hundred nine".