2938747 has 4 divisors (see below), whose sum is σ = 3358576. Its totient is φ = 2518920.

The previous prime is 2938729. The next prime is 2938753. The reversal of 2938747 is 7478392.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2938747 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2938717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209904 + ... + 209917.

It is an arithmetic number, because the mean of its divisors is an integer number (839644).

2^2938747 is an apocalyptic number.

2938747 is a deficient number, since it is larger than the sum of its proper divisors (419829).

2938747 is an equidigital number, since it uses as much as digits as its factorization.

2938747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419828.

The product of its digits is 84672, while the sum is 40.

The square root of 2938747 is about 1714.2773987894. The cubic root of 2938747 is about 143.2366206551.

The spelling of 2938747 in words is "two million, nine hundred thirty-eight thousand, seven hundred forty-seven".