3856571402 has 16 divisors (see below), whose sum is σ = 5922016800. Its totient is φ = 1883021040.

The previous prime is 3856571387. The next prime is 3856571413. The reversal of 3856571402 is 2041756583.

It is a self number, because there is not a number n which added to its sum of digits gives 3856571402.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 96752 + ... + 130667.

It is an arithmetic number, because the mean of its divisors is an integer number (370126050).

Almost surely, 2^3856571402 is an apocalyptic number.

3856571402 is a deficient number, since it is larger than the sum of its proper divisors (2065445398).

3856571402 is a wasteful number, since it uses less digits than its factorization.

3856571402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227621.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 3856571402 is about 62101.2995194142. The cubic root of 3856571402 is about 1568.1964226743.

The spelling of 3856571402 in words is "three billion, eight hundred fifty-six million, five hundred seventy-one thousand, four hundred two".