2938647 has 4 divisors (see below), whose sum is σ = 3918200. Its totient is φ = 1959096.

The previous prime is 2938627. The next prime is 2938667. The reversal of 2938647 is 7468392.

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

It is an interprime number because it is at equal distance from previous prime (2938627) and next prime (2938667).

It is not a de Polignac number, because 2938647 - 2⁸ = 2938391 is a prime.

It is a D-number.

It is a Duffinian number.

2938647 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2938627) 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, 489772 + ... + 489777.

It is an arithmetic number, because the mean of its divisors is an integer number (979550).

2^2938647 is an apocalyptic number.

2938647 is a deficient number, since it is larger than the sum of its proper divisors (979553).

2938647 is an equidigital number, since it uses as much as digits as its factorization.

2938647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979552.

The product of its digits is 72576, while the sum is 39.

The square root of 2938647 is about 1714.2482317331. The cubic root of 2938647 is about 143.2349959463.

The spelling of 2938647 in words is "two million, nine hundred thirty-eight thousand, six hundred forty-seven".