3865854976 has 99 divisors (see below), whose sum is σ = 8124843909. Its totient is φ = 1838419968.

The previous prime is 3865854959. The next prime is 3865854989. The reversal of 3865854976 is 6794585683.

The square root of 3865854976 is 62176.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2027160576 + 1838694400 = 45024^2 + 42880^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 57699295 + ... + 57699361.

Almost surely, 2^3865854976 is an apocalyptic number.

3865854976 is the 62176-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3865854976

3865854976 is an abundant number, since it is smaller than the sum of its proper divisors (4258988933).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3865854976 is an frugal number, since it uses more digits than its factorization.

3865854976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 98 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 61.

The cubic root of 3865854976 is about 1569.4537399352.

The spelling of 3865854976 in words is "three billion, eight hundred sixty-five million, eight hundred fifty-four thousand, nine hundred seventy-six".