3881623528 has 16 divisors (see below), whose sum is σ = 7474748580. Its totient is φ = 1888357248.

The previous prime is 3881623519. The next prime is 3881623531. The reversal of 3881623528 is 8253261883.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3828886884 + 52736644 = 61878^2 + 7262^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6556501 + ... + 6557092.

Almost surely, 2^3881623528 is an apocalyptic number.

It is an amenable number.

3881623528 is a deficient number, since it is larger than the sum of its proper divisors (3593125052).

3881623528 is a wasteful number, since it uses less digits than its factorization.

3881623528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13113636 (or 13113632 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 3881623528 is about 62302.6767322240. The cubic root of 3881623528 is about 1571.5847424892.

The spelling of 3881623528 in words is "three billion, eight hundred eighty-one million, six hundred twenty-three thousand, five hundred twenty-eight".