3641047 has 4 divisors (see below), whose sum is σ = 3709800. Its totient is φ = 3572296.

The previous prime is 3641041. The next prime is 3641051. The reversal of 3641047 is 7401463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7401463 = 307 ⋅24109.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3641047 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 (3641041) 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, 34297 + ... + 34402.

It is an arithmetic number, because the mean of its divisors is an integer number (927450).

Almost surely, 2^3641047 is an apocalyptic number.

3641047 is a deficient number, since it is larger than the sum of its proper divisors (68753).

3641047 is an equidigital number, since it uses as much as digits as its factorization.

3641047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68752.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 3641047 is about 1908.1527716616. The cubic root of 3641047 is about 153.8421810448.

The spelling of 3641047 in words is "three million, six hundred forty-one thousand, forty-seven".