3820237 has 2 divisors, whose sum is σ = 3820238. Its totient is φ = 3820236.

The previous prime is 3820181. The next prime is 3820253. The reversal of 3820237 is 7320283.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3759721 + 60516 = 1939^2 + 246^2 .

It is a cyclic number.

It is not a de Polignac number, because 3820237 - 2⁷ = 3820109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3829237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1910118 + 1910119.

It is an arithmetic number, because the mean of its divisors is an integer number (1910119).

Almost surely, 2^3820237 is an apocalyptic number.

It is an amenable number.

3820237 is a deficient number, since it is larger than the sum of its proper divisors (1).

3820237 is an equidigital number, since it uses as much as digits as its factorization.

3820237 is an evil number, because the sum of its binary digits is even.

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

The square root of 3820237 is about 1954.5426575033. The cubic root of 3820237 is about 156.3255992565.

The spelling of 3820237 in words is "three million, eight hundred twenty thousand, two hundred thirty-seven".