3989079261 has 24 divisors (see below), whose sum is σ = 5950882080. Its totient is φ = 2573017056.

The previous prime is 3989079247. The next prime is 3989079301. The reversal of 3989079261 is 1629709893.

It is not a de Polignac number, because 3989079261 - 2¹³ = 3989071069 is a prime.

It is a super-2 number, since 2×3989079261² = 31825506701080612242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3989079198 and 3989079207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989079161) 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 23 ways as a sum of consecutive naturals, for example, 26146 + ... + 93068.

It is an arithmetic number, because the mean of its divisors is an integer number (247953420).

Almost surely, 2^3989079261 is an apocalyptic number.

It is an amenable number.

3989079261 is a deficient number, since it is larger than the sum of its proper divisors (1961802819).

3989079261 is a wasteful number, since it uses less digits than its factorization.

3989079261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67145 (or 67142 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 3989079261 is about 63159.1581720339. The cubic root of 3989079261 is about 1585.9551025510.

The spelling of 3989079261 in words is "three billion, nine hundred eighty-nine million, seventy-nine thousand, two hundred sixty-one".