3964845 has 8 divisors (see below), whose sum is σ = 6343776. Its totient is φ = 2114576.

The previous prime is 3964843. The next prime is 3964847. The reversal of 3964845 is 5484693.

It is an interprime number because it is at equal distance from previous prime (3964843) and next prime (3964847).

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 3964845 - 2¹ = 3964843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964841) 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, 132147 + ... + 132176.

It is an arithmetic number, because the mean of its divisors is an integer number (792972).

Almost surely, 2^3964845 is an apocalyptic number.

It is an amenable number.

3964845 is a deficient number, since it is larger than the sum of its proper divisors (2378931).

3964845 is a wasteful number, since it uses less digits than its factorization.

3964845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264331.

The product of its digits is 103680, while the sum is 39.

The square root of 3964845 is about 1991.1918541416. The cubic root of 3964845 is about 158.2736937587.

It can be divided in two parts, 39648 and 45, that added together give a palindrome (39693).

The spelling of 3964845 in words is "three million, nine hundred sixty-four thousand, eight hundred forty-five".