3857269249 has 8 divisors (see below), whose sum is σ = 4075727040. Its totient is φ = 3640355856.

The previous prime is 3857269223. The next prime is 3857269289. The reversal of 3857269249 is 9429627583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3857269249 - 2¹⁹ = 3856744961 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 3857269249.

It is not an unprimeable number, because it can be changed into a prime (3857269289) 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 7 ways as a sum of consecutive naturals, for example, 380962 + ... + 390955.

It is an arithmetic number, because the mean of its divisors is an integer number (509465880).

Almost surely, 2^3857269249 is an apocalyptic number.

It is an amenable number.

3857269249 is a deficient number, since it is larger than the sum of its proper divisors (218457791).

3857269249 is a wasteful number, since it uses less digits than its factorization.

3857269249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772199.

The product of its digits is 6531840, while the sum is 55.

The square root of 3857269249 is about 62106.9178835981. The cubic root of 3857269249 is about 1568.2910054053.

The spelling of 3857269249 in words is "three billion, eight hundred fifty-seven million, two hundred sixty-nine thousand, two hundred forty-nine".