3782641 has 4 divisors (see below), whose sum is σ = 3834532. Its totient is φ = 3730752.

The previous prime is 3782629. The next prime is 3782657. The reversal of 3782641 is 1462873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1766241 + 2016400 = 1329^2 + 1420^2 .

It is a cyclic number.

It is not a de Polignac number, because 3782641 - 2¹⁵ = 3749873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3785641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25836 + ... + 25981.

It is an arithmetic number, because the mean of its divisors is an integer number (958633).

Almost surely, 2^3782641 is an apocalyptic number.

It is an amenable number.

3782641 is a deficient number, since it is larger than the sum of its proper divisors (51891).

3782641 is an equidigital number, since it uses as much as digits as its factorization.

3782641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51890.

The product of its digits is 8064, while the sum is 31.

The square root of 3782641 is about 1944.9012828419. The cubic root of 3782641 is about 155.8110933847.

The spelling of 3782641 in words is "three million, seven hundred eighty-two thousand, six hundred forty-one".