7638159 has 8 divisors (see below), whose sum is σ = 10196992. Its totient is φ = 5085720.

The previous prime is 7638149. The next prime is 7638167. The reversal of 7638159 is 9518367.

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

It is not a de Polignac number, because 7638159 - 2⁴ = 7638143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7638149) 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, 3762 + ... + 5424.

It is an arithmetic number, because the mean of its divisors is an integer number (1274624).

Almost surely, 2^7638159 is an apocalyptic number.

7638159 is a deficient number, since it is larger than the sum of its proper divisors (2558833).

7638159 is a wasteful number, since it uses less digits than its factorization.

7638159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197.

The product of its digits is 45360, while the sum is 39.

The square root of 7638159 is about 2763.7219469404. The cubic root of 7638159 is about 196.9380189288.

The spelling of 7638159 in words is "seven million, six hundred thirty-eight thousand, one hundred fifty-nine".