3857630287 has 8 divisors (see below), whose sum is σ = 4640758400. Its totient is φ = 3132511704.

The previous prime is 3857630213. The next prime is 3857630333. The reversal of 3857630287 is 7820367583.

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

It is not a de Polignac number, because 3857630287 - 2¹⁵ = 3857597519 is a prime.

It is a super-2 number, since 2×3857630287² = 29762622862359404738, which contains 22 as substring.

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 3857630287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857630087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14502237 + ... + 14502502.

It is an arithmetic number, because the mean of its divisors is an integer number (580094800).

Almost surely, 2^3857630287 is an apocalyptic number.

3857630287 is a deficient number, since it is larger than the sum of its proper divisors (783128113).

3857630287 is a wasteful number, since it uses less digits than its factorization.

3857630287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29004765.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The square root of 3857630287 is about 62109.8244000094. The cubic root of 3857630287 is about 1568.3399342327.

The spelling of 3857630287 in words is "three billion, eight hundred fifty-seven million, six hundred thirty thousand, two hundred eighty-seven".