2838631 has 2 divisors, whose sum is σ = 2838632. Its totient is φ = 2838630.

The previous prime is 2838629. The next prime is 2838697. The reversal of 2838631 is 1368382.

2838631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2838631 - 2¹ = 2838629 is a prime.

It is a super-2 number, since 2×2838631² = 16115651908322, which contains 22 as substring.

Together with 2838629, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2838593 and 2838602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2838601) 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 as a sum of consecutive naturals, namely, 1419315 + 1419316.

It is an arithmetic number, because the mean of its divisors is an integer number (1419316).

2^2838631 is an apocalyptic number.

2838631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2838631 is an equidigital number, since it uses as much as digits as its factorization.

2838631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 2838631 is about 1684.8237296525. The cubic root of 2838631 is about 141.5912167246.

It can be divided in two parts, 2838 and 631, that multiplied together give a triangular number (1790778 = T₁₈₉₂).

The spelling of 2838631 in words is "two million, eight hundred thirty-eight thousand, six hundred thirty-one".