7389638 has 8 divisors (see below), whose sum is σ = 11158320. Its totient is φ = 3670200.

The previous prime is 7389637. The next prime is 7389649. The reversal of 7389638 is 8369837.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7389637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11933 + ... + 12536.

It is an arithmetic number, because the mean of its divisors is an integer number (1394790).

Almost surely, 2^7389638 is an apocalyptic number.

7389638 is a deficient number, since it is larger than the sum of its proper divisors (3768682).

7389638 is a wasteful number, since it uses less digits than its factorization.

7389638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24622.

The product of its digits is 217728, while the sum is 44.

The square root of 7389638 is about 2718.3888610719. The cubic root of 7389638 is about 194.7785168865.

The spelling of 7389638 in words is "seven million, three hundred eighty-nine thousand, six hundred thirty-eight".