3828621485 has 12 divisors (see below), whose sum is σ = 4974943572. Its totient is φ = 2827289088.

The previous prime is 3828621479. The next prime is 3828621521. The reversal of 3828621485 is 5841268283.

It can be written as a sum of positive squares in 6 ways, for example, as 242767561 + 3585853924 = 15581^2 + 59882^2 .

It is not a de Polignac number, because 3828621485 - 2¹⁶ = 3828555949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2264612 + ... + 2266301.

It is an arithmetic number, because the mean of its divisors is an integer number (414578631).

Almost surely, 2^3828621485 is an apocalyptic number.

It is an amenable number.

3828621485 is a deficient number, since it is larger than the sum of its proper divisors (1146322087).

3828621485 is a wasteful number, since it uses less digits than its factorization.

3828621485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4530944 (or 4530931 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The square root of 3828621485 is about 61875.8554284302. The cubic root of 3828621485 is about 1564.3988116398.

The spelling of 3828621485 in words is "three billion, eight hundred twenty-eight million, six hundred twenty-one thousand, four hundred eighty-five".