7638441 has 8 divisors (see below), whose sum is σ = 10199904. Its totient is φ = 5084640.

The previous prime is 7638403. The next prime is 7638473. The reversal of 7638441 is 1448367.

7638441 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7638441 - 2⁷ = 7638313 is a prime.

It is a Curzon number.

7638441 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7638401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086 + ... + 4056.

It is an arithmetic number, because the mean of its divisors is an integer number (1274988).

Almost surely, 2^7638441 is an apocalyptic number.

It is an amenable number.

7638441 is a deficient number, since it is larger than the sum of its proper divisors (2561463).

7638441 is a wasteful number, since it uses less digits than its factorization.

7638441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831.

The product of its digits is 16128, while the sum is 33.

The square root of 7638441 is about 2763.7729646264. The cubic root of 7638441 is about 196.9404425424.

The spelling of 7638441 in words is "seven million, six hundred thirty-eight thousand, four hundred forty-one".