7638141 has 16 divisors (see below), whose sum is σ = 11677824. Its totient is φ = 4350144.

The previous prime is 7638089. The next prime is 7638143. The reversal of 7638141 is 1418367.

It is a happy number.

It is not a de Polignac number, because 7638141 - 2⁶ = 7638077 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 7638099 and 7638108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7638143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11371 + ... + 12023.

It is an arithmetic number, because the mean of its divisors is an integer number (729864).

Almost surely, 2^7638141 is an apocalyptic number.

It is an amenable number.

7638141 is a deficient number, since it is larger than the sum of its proper divisors (4039683).

7638141 is a wasteful number, since it uses less digits than its factorization.

7638141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220.

The product of its digits is 4032, while the sum is 30.

The square root of 7638141 is about 2763.7186904604. The cubic root of 7638141 is about 196.9378642280.

The spelling of 7638141 in words is "seven million, six hundred thirty-eight thousand, one hundred forty-one".