3820651 has 2 divisors, whose sum is σ = 3820652. Its totient is φ = 3820650.

The previous prime is 3820627. The next prime is 3820673. The reversal of 3820651 is 1560283.

It is a happy number.

3820651 is nontrivially palindromic in base 4.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3820651 - 2¹¹ = 3818603 is a prime.

It is not a weakly prime, because it can be changed into another prime (3820051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1910325 + 1910326.

It is an arithmetic number, because the mean of its divisors is an integer number (1910326).

Almost surely, 2^3820651 is an apocalyptic number.

3820651 is a deficient number, since it is larger than the sum of its proper divisors (1).

3820651 is an equidigital number, since it uses as much as digits as its factorization.

3820651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 3820651 is about 1954.6485617624. The cubic root of 3820651 is about 156.3312460668.

The spelling of 3820651 in words is "three million, eight hundred twenty thousand, six hundred fifty-one".