3995464905 has 24 divisors (see below), whose sum is σ = 6955732680. Its totient is φ = 2121603840.

The previous prime is 3995464903. The next prime is 3995464919. The reversal of 3995464905 is 5094645993.

3995464905 is a `hidden beast` number, since 3 + 9 + 9 + 546 + 4 + 90 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1978826256 + 2016638649 = 44484^2 + 44907^2 .

It is not a de Polignac number, because 3995464905 - 2¹ = 3995464903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3995464901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183556 + ... + 204165.

It is an arithmetic number, because the mean of its divisors is an integer number (289822195).

Almost surely, 2^3995464905 is an apocalyptic number.

It is an amenable number.

3995464905 is a deficient number, since it is larger than the sum of its proper divisors (2960267775).

3995464905 is a wasteful number, since it uses less digits than its factorization.

3995464905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387961 (or 387958 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The square root of 3995464905 is about 63209.6899612710. The cubic root of 3995464905 is about 1586.8009072204.

The spelling of 3995464905 in words is "three billion, nine hundred ninety-five million, four hundred sixty-four thousand, nine hundred five".