3895494772 has 48 divisors (see below), whose sum is σ = 7415517312. Its totient is φ = 1779891840.

The previous prime is 3895494769. The next prime is 3895494773. The reversal of 3895494772 is 2774945983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3895494773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2543647 + ... + 2545177.

It is an arithmetic number, because the mean of its divisors is an integer number (154489944).

Almost surely, 2^3895494772 is an apocalyptic number.

It is an amenable number.

3895494772 is a deficient number, since it is larger than the sum of its proper divisors (3520022540).

3895494772 is a wasteful number, since it uses less digits than its factorization.

3895494772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008 (or 2006 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 58.

The square root of 3895494772 is about 62413.8988687616. The cubic root of 3895494772 is about 1573.4545716965.

The spelling of 3895494772 in words is "three billion, eight hundred ninety-five million, four hundred ninety-four thousand, seven hundred seventy-two".