3895747902 has 24 divisors (see below), whose sum is σ = 8489584584. Its totient is φ = 1291075344.

The previous prime is 3895747901. The next prime is 3895747903. The reversal of 3895747902 is 2097475983.

3895747902 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3895747901) and next prime (3895747903).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3895747901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 622408 + ... + 628635.

It is an arithmetic number, because the mean of its divisors is an integer number (353732691).

Almost surely, 2^3895747902 is an apocalyptic number.

3895747902 is an abundant number, since it is smaller than the sum of its proper divisors (4593836682).

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

3895747902 is a wasteful number, since it uses less digits than its factorization.

3895747902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251224 (or 1251221 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The square root of 3895747902 is about 62415.9266694007. The cubic root of 3895747902 is about 1573.4886520853.

The spelling of 3895747902 in words is "three billion, eight hundred ninety-five million, seven hundred forty-seven thousand, nine hundred two".