3622438 has 4 divisors (see below), whose sum is σ = 5433660. Its totient is φ = 1811218.

The previous prime is 3622433. The next prime is 3622439. The reversal of 3622438 is 8342263.

3622438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8342263 = 619 ⋅13477.

It is a d-powerful number, because it can be written as 3¹³ + 6⁵ + 2⁵ + 2¹⁷ + 4⁹ + 3¹³ + 8⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3622433) 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, 905608 + ... + 905611.

It is an arithmetic number, because the mean of its divisors is an integer number (1358415).

Almost surely, 2^3622438 is an apocalyptic number.

3622438 is a deficient number, since it is larger than the sum of its proper divisors (1811222).

3622438 is a wasteful number, since it uses less digits than its factorization.

3622438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811221.

The product of its digits is 6912, while the sum is 28.

The square root of 3622438 is about 1903.2703433827. The cubic root of 3622438 is about 153.5796429818.

The spelling of 3622438 in words is "three million, six hundred twenty-two thousand, four hundred thirty-eight".