3933145 has 4 divisors (see below), whose sum is σ = 4719780. Its totient is φ = 3146512.

The previous prime is 3933143. The next prime is 3933151. The reversal of 3933145 is 5413393.

3933145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5413393 = 163 ⋅33211.

It can be written as a sum of positive squares in 2 ways, for example, as 506944 + 3426201 = 712^2 + 1851^2 .

It is a cyclic number.

It is not a de Polignac number, because 3933145 - 2¹ = 3933143 is a prime.

It is a super-3 number, since 3×3933145³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3933143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393310 + ... + 393319.

It is an arithmetic number, because the mean of its divisors is an integer number (1179945).

Almost surely, 2^3933145 is an apocalyptic number.

It is an amenable number.

3933145 is a deficient number, since it is larger than the sum of its proper divisors (786635).

3933145 is an equidigital number, since it uses as much as digits as its factorization.

3933145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786634.

The product of its digits is 4860, while the sum is 28.

The square root of 3933145 is about 1983.2158228493. The cubic root of 3933145 is about 157.8507510128.

The spelling of 3933145 in words is "three million, nine hundred thirty-three thousand, one hundred forty-five".