3623445 has 24 divisors (see below), whose sum is σ = 7178496. Its totient is φ = 1656288.

The previous prime is 3623441. The next prime is 3623449. The reversal of 3623445 is 5443263.

3623445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3623441) and next prime (3623449).

It is not a de Polignac number, because 3623445 - 2² = 3623441 is a prime.

It is a d-powerful number, because it can be written as 3¹⁰ + 6² + 2⁹ + 3¹³ + 4² + 4⁷ + 5⁹ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3623441) 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 in 23 ways as a sum of consecutive naturals, for example, 5437 + ... + 6066.

It is an arithmetic number, because the mean of its divisors is an integer number (299104).

Almost surely, 2^3623445 is an apocalyptic number.

3623445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3623445 is a deficient number, since it is larger than the sum of its proper divisors (3555051).

3623445 is a wasteful number, since it uses less digits than its factorization.

3623445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11521 (or 11518 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 3623445 is about 1903.5348696570. The cubic root of 3623445 is about 153.5938728432.

The spelling of 3623445 in words is "three million, six hundred twenty-three thousand, four hundred forty-five".