3623491 has 2 divisors, whose sum is σ = 3623492. Its totient is φ = 3623490.

The previous prime is 3623483. The next prime is 3623507. The reversal of 3623491 is 1943263.

3623491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3623491 - 2³ = 3623483 is a prime.

It is not a weakly prime, because it can be changed into another prime (3623401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811745 + 1811746.

It is an arithmetic number, because the mean of its divisors is an integer number (1811746).

Almost surely, 2^3623491 is an apocalyptic number.

3623491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3623491 is an equidigital number, since it uses as much as digits as its factorization.

3623491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 3623491 is about 1903.5469524023. The cubic root of 3623491 is about 153.5945228036.

It can be divided in two parts, 3623 and 491, that added together give a palindrome (4114).

The spelling of 3623491 in words is "three million, six hundred twenty-three thousand, four hundred ninety-one".