3954565 has 8 divisors (see below), whose sum is σ = 4995360. Its totient is φ = 2997072.

The previous prime is 3954563. The next prime is 3954571. The reversal of 3954565 is 5654593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3954565 - 2¹ = 3954563 is a prime.

3954565 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20719 + ... + 20908.

It is an arithmetic number, because the mean of its divisors is an integer number (624420).

Almost surely, 2^3954565 is an apocalyptic number.

It is an amenable number.

3954565 is a deficient number, since it is larger than the sum of its proper divisors (1040795).

3954565 is a wasteful number, since it uses less digits than its factorization.

3954565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41651.

The product of its digits is 81000, while the sum is 37.

The square root of 3954565 is about 1988.6088101987. The cubic root of 3954565 is about 158.1367853548.

The spelling of 3954565 in words is "three million, nine hundred fifty-four thousand, five hundred sixty-five".