7638266 has 8 divisors (see below), whose sum is σ = 12060480. Its totient is φ = 3618108.

The previous prime is 7638233. The next prime is 7638269. The reversal of 7638266 is 6628367.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 201007 = 7638266 / (7 + 6 + 3 + 8 + 2 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (7638269) 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 3 ways as a sum of consecutive naturals, for example, 100466 + ... + 100541.

It is an arithmetic number, because the mean of its divisors is an integer number (1507560).

Almost surely, 2^7638266 is an apocalyptic number.

7638266 is a deficient number, since it is larger than the sum of its proper divisors (4422214).

7638266 is a wasteful number, since it uses less digits than its factorization.

7638266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201028.

The product of its digits is 72576, while the sum is 38.

The square root of 7638266 is about 2763.7413048258. The cubic root of 7638266 is about 196.9389385339.

The spelling of 7638266 in words is "seven million, six hundred thirty-eight thousand, two hundred sixty-six".