3964045 has 8 divisors (see below), whose sum is σ = 4771224. Its totient is φ = 3161664.

The previous prime is 3964031. The next prime is 3964061. The reversal of 3964045 is 5404693.

It can be written as a sum of positive squares in 4 ways, for example, as 35721 + 3928324 = 189^2 + 1982^2 .

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 3964045 - 2⁵ = 3964013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3963998 and 3964016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987 + ... + 2983.

It is an arithmetic number, because the mean of its divisors is an integer number (596403).

Almost surely, 2^3964045 is an apocalyptic number.

It is an amenable number.

3964045 is a deficient number, since it is larger than the sum of its proper divisors (807179).

3964045 is a wasteful number, since it uses less digits than its factorization.

3964045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3964045 is about 1990.9909592964. The cubic root of 3964045 is about 158.2630479056.

The spelling of 3964045 in words is "three million, nine hundred sixty-four thousand, forty-five".