3820641 has 8 divisors (see below), whose sum is σ = 5557344. Its totient is φ = 2315520.

The previous prime is 3820627. The next prime is 3820651. The reversal of 3820641 is 1460283.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3820641 - 2⁷ = 3820513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3820651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57856 + ... + 57921.

It is an arithmetic number, because the mean of its divisors is an integer number (694668).

Almost surely, 2^3820641 is an apocalyptic number.

It is an amenable number.

3820641 is a deficient number, since it is larger than the sum of its proper divisors (1736703).

3820641 is a wasteful number, since it uses less digits than its factorization.

3820641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115791.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3820641 is about 1954.6460037562. The cubic root of 3820641 is about 156.3311096752.

The spelling of 3820641 in words is "three million, eight hundred twenty thousand, six hundred forty-one".