3855399488 has 14 divisors (see below), whose sum is σ = 7650558486. Its totient is φ = 1927699712.

The previous prime is 3855399473. The next prime is 3855399503. The reversal of 3855399488 is 8849935583.

It is an interprime number because it is at equal distance from previous prime (3855399473) and next prime (3855399503).

It can be written as a sum of positive squares in only one way, i.e., 2955879424 + 899520064 = 54368^2 + 29992^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3855399488.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30120245 + ... + 30120372.

Almost surely, 2^3855399488 is an apocalyptic number.

It is an amenable number.

3855399488 is a deficient number, since it is larger than the sum of its proper divisors (3795158998).

3855399488 is an equidigital number, since it uses as much as digits as its factorization.

3855399488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60240629 (or 60240619 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 62.

The square root of 3855399488 is about 62091.8632994694. The cubic root of 3855399488 is about 1568.0375615742.

The spelling of 3855399488 in words is "three billion, eight hundred fifty-five million, three hundred ninety-nine thousand, four hundred eighty-eight".