2638795 has 8 divisors (see below), whose sum is σ = 3214224. Its totient is φ = 2079264.

The previous prime is 2638793. The next prime is 2638841. The reversal of 2638795 is 5978362.

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

It is a cyclic number.

It is not a de Polignac number, because 2638795 - 2¹ = 2638793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2638793) 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, 3604 + ... + 4273.

It is an arithmetic number, because the mean of its divisors is an integer number (401778).

2^2638795 is an apocalyptic number.

2638795 is a deficient number, since it is larger than the sum of its proper divisors (575429).

2638795 is an equidigital number, since it uses as much as digits as its factorization.

2638795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949.

The product of its digits is 90720, while the sum is 40.

The square root of 2638795 is about 1624.4368254875. The cubic root of 2638795 is about 138.1874334708.

The spelling of 2638795 in words is "two million, six hundred thirty-eight thousand, seven hundred ninety-five".