2838731 has 8 divisors (see below), whose sum is σ = 3320064. Its totient is φ = 2376360.

The previous prime is 2838727. The next prime is 2838743. The reversal of 2838731 is 1378382.

2838731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2838731 - 2² = 2838727 is a prime.

It is a super-2 number, since 2×2838731² = 16116787380722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2838721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4415 + ... + 5016.

It is an arithmetic number, because the mean of its divisors is an integer number (415008).

2^2838731 is an apocalyptic number.

2838731 is a deficient number, since it is larger than the sum of its proper divisors (481333).

2838731 is an equidigital number, since it uses as much as digits as its factorization.

2838731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9481.

The product of its digits is 8064, while the sum is 32.

The square root of 2838731 is about 1684.8534060861. The cubic root of 2838731 is about 141.5928793753.

The spelling of 2838731 in words is "two million, eight hundred thirty-eight thousand, seven hundred thirty-one".