3620791 has 2 divisors, whose sum is σ = 3620792. Its totient is φ = 3620790.

The previous prime is 3620789. The next prime is 3620803. The reversal of 3620791 is 1970263.

It is a weak prime.

It is an emirp because it is prime and its reverse (1970263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3620791 - 2¹ = 3620789 is a prime.

It is a super-2 number, since 2×3620791² = 26220254931362, which contains 22 as substring.

Together with 3620789, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3620741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810395 + 1810396.

It is an arithmetic number, because the mean of its divisors is an integer number (1810396).

Almost surely, 2^3620791 is an apocalyptic number.

3620791 is a deficient number, since it is larger than the sum of its proper divisors (1).

3620791 is an equidigital number, since it uses as much as digits as its factorization.

3620791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 3620791 is about 1902.8376178749. The cubic root of 3620791 is about 153.5563636308.

It can be divided in two parts, 36 and 20791, that multiplied together give a triangular number (748476 = T₁₂₂₃).

The spelling of 3620791 in words is "three million, six hundred twenty thousand, seven hundred ninety-one".