3857269247 has 16 divisors (see below), whose sum is σ = 4454029440. Its totient is φ = 3308677632.

The previous prime is 3857269223. The next prime is 3857269289. The reversal of 3857269247 is 7429627583.

It is not a de Polignac number, because 3857269247 - 2¹⁴ = 3857252863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857269447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93008 + ... + 127925.

It is an arithmetic number, because the mean of its divisors is an integer number (278376840).

Almost surely, 2^3857269247 is an apocalyptic number.

3857269247 is a deficient number, since it is larger than the sum of its proper divisors (596760193).

3857269247 is a wasteful number, since it uses less digits than its factorization.

3857269247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221042.

The product of its digits is 5080320, while the sum is 53.

The square root of 3857269247 is about 62106.9178674969. The cubic root of 3857269247 is about 1568.2910051343.

The spelling of 3857269247 in words is "three billion, eight hundred fifty-seven million, two hundred sixty-nine thousand, two hundred forty-seven".