3875149 has 4 divisors (see below), whose sum is σ = 3918780. Its totient is φ = 3831520.

The previous prime is 3875143. The next prime is 3875159. The reversal of 3875149 is 9415783.

3875149 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: 9415783 = 13 ⋅724291.

It can be written as a sum of positive squares in 2 ways, for example, as 570025 + 3305124 = 755^2 + 1818^2 .

It is a cyclic number.

It is not a de Polignac number, because 3875149 - 2³ = 3875141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3875141) 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, 21682 + ... + 21859.

It is an arithmetic number, because the mean of its divisors is an integer number (979695).

Almost surely, 2^3875149 is an apocalyptic number.

It is an amenable number.

3875149 is a deficient number, since it is larger than the sum of its proper divisors (43631).

3875149 is an equidigital number, since it uses as much as digits as its factorization.

3875149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43630.

The product of its digits is 30240, while the sum is 37.

The square root of 3875149 is about 1968.5398141770. The cubic root of 3875149 is about 157.0710457796.

The spelling of 3875149 in words is "three million, eight hundred seventy-five thousand, one hundred forty-nine".