3722438 has 4 divisors (see below), whose sum is σ = 5583660. Its totient is φ = 1861218.

The previous prime is 3722437. The next prime is 3722443. The reversal of 3722438 is 8342273.

3722438 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.

It is a self number, because there is not a number n which added to its sum of digits gives 3722438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722437) 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, 930608 + ... + 930611.

It is an arithmetic number, because the mean of its divisors is an integer number (1395915).

Almost surely, 2^3722438 is an apocalyptic number.

3722438 is a deficient number, since it is larger than the sum of its proper divisors (1861222).

3722438 is a wasteful number, since it uses less digits than its factorization.

3722438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861221.

The product of its digits is 8064, while the sum is 29.

The square root of 3722438 is about 1929.3620707374. The cubic root of 3722438 is about 154.9800598699.

The spelling of 3722438 in words is "three million, seven hundred twenty-two thousand, four hundred thirty-eight".