3895420272 has 20 divisors (see below), whose sum is σ = 10063169160. Its totient is φ = 1298473408.

The previous prime is 3895420271. The next prime is 3895420283. The reversal of 3895420272 is 2720245983.

3895420272 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3895420271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40577247 + ... + 40577342.

It is an arithmetic number, because the mean of its divisors is an integer number (503158458).

Almost surely, 2^3895420272 is an apocalyptic number.

It is an amenable number.

3895420272 is an abundant number, since it is smaller than the sum of its proper divisors (6167748888).

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

3895420272 is a wasteful number, since it uses less digits than its factorization.

3895420272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81154600 (or 81154594 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 3895420272 is about 62413.3020437150. The cubic root of 3895420272 is about 1573.4445410397. Note that the first 3 decimals are identical.

The spelling of 3895420272 in words is "three billion, eight hundred ninety-five million, four hundred twenty thousand, two hundred seventy-two".