3620387 has 2 divisors, whose sum is σ = 3620388. Its totient is φ = 3620386.

The previous prime is 3620369. The next prime is 3620401. The reversal of 3620387 is 7830263.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3620387 - 2¹⁶ = 3554851 is a prime.

It is not a weakly prime, because it can be changed into another prime (3620327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810193 + 1810194.

It is an arithmetic number, because the mean of its divisors is an integer number (1810194).

Almost surely, 2^3620387 is an apocalyptic number.

3620387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3620387 is an equidigital number, since it uses as much as digits as its factorization.

3620387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 3620387 is about 1902.7314576682. The cubic root of 3620387 is about 153.5506522564.

The spelling of 3620387 in words is "three million, six hundred twenty thousand, three hundred eighty-seven".