3791005 has 4 divisors (see below), whose sum is σ = 4549212. Its totient is φ = 3032800.

The previous prime is 3790999. The next prime is 3791027. The reversal of 3791005 is 5001973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5001973 = 131 ⋅38183.

It can be written as a sum of positive squares in 2 ways, for example, as 1338649 + 2452356 = 1157^2 + 1566^2 .

It is not a de Polignac number, because 3791005 - 2¹³ = 3782813 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 379096 + ... + 379105.

It is an arithmetic number, because the mean of its divisors is an integer number (1137303).

Almost surely, 2^3791005 is an apocalyptic number.

It is an amenable number.

3791005 is a deficient number, since it is larger than the sum of its proper divisors (758207).

3791005 is an equidigital number, since it uses as much as digits as its factorization.

3791005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758206.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 3791005 is about 1947.0503331963. The cubic root of 3791005 is about 155.9258495947.

Adding to 3791005 its reverse (5001973), we get a palindrome (8792978).

The spelling of 3791005 in words is "three million, seven hundred ninety-one thousand, five".