3964145 has 16 divisors (see below), whose sum is σ = 5086800. Its totient is φ = 2955264.

The previous prime is 3964133. The next prime is 3964157. The reversal of 3964145 is 5414693.

It is an interprime number because it is at equal distance from previous prime (3964133) and next prime (3964157).

It can be written as a sum of positive squares in 8 ways, for example, as 891136 + 3073009 = 944^2 + 1753^2 .

It is a cyclic number.

It is not a de Polignac number, because 3964145 - 2¹⁰ = 3963121 is a prime.

It is a super-3 number, since 3×3964145³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12509 + ... + 12821.

It is an arithmetic number, because the mean of its divisors is an integer number (317925).

Almost surely, 2^3964145 is an apocalyptic number.

It is an amenable number.

3964145 is a deficient number, since it is larger than the sum of its proper divisors (1122655).

3964145 is a wasteful number, since it uses less digits than its factorization.

3964145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484.

The product of its digits is 12960, while the sum is 32.

The square root of 3964145 is about 1991.0160722606. The cubic root of 3964145 is about 158.2643787156.

The spelling of 3964145 in words is "three million, nine hundred sixty-four thousand, one hundred forty-five".