7638395 has 4 divisors (see below), whose sum is σ = 9166080. Its totient is φ = 6110712.

The previous prime is 7638383. The next prime is 7638401. The reversal of 7638395 is 5938367.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7638395 - 2⁶ = 7638331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763835 + ... + 763844.

It is an arithmetic number, because the mean of its divisors is an integer number (2291520).

Almost surely, 2^7638395 is an apocalyptic number.

7638395 is a deficient number, since it is larger than the sum of its proper divisors (1527685).

7638395 is a wasteful number, since it uses less digits than its factorization.

7638395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527684.

The product of its digits is 136080, while the sum is 41.

The square root of 7638395 is about 2763.7646426568. The cubic root of 7638395 is about 196.9400472052.

The spelling of 7638395 in words is "seven million, six hundred thirty-eight thousand, three hundred ninety-five".