2634943 has 2 divisors, whose sum is σ = 2634944. Its totient is φ = 2634942.

The previous prime is 2634941. The next prime is 2634953. The reversal of 2634943 is 3494362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2634943 - 2¹ = 2634941 is a prime.

It is a super-2 number, since 2×2634943² = 13885849226498, which contains 22 as substring.

Together with 2634941, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2²¹ + 6² + 3³ + 4 + 9⁶ + 4⁶ + 3⁷ .

2634943 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2634941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317471 + 1317472.

It is an arithmetic number, because the mean of its divisors is an integer number (1317472).

2^2634943 is an apocalyptic number.

2634943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2634943 is an equidigital number, since it uses as much as digits as its factorization.

2634943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 31.

The square root of 2634943 is about 1623.2507508084. The cubic root of 2634943 is about 138.1201606926.

It can be divided in two parts, 26 and 34943, that added together give a square (34969 = 187²).

The spelling of 2634943 in words is "two million, six hundred thirty-four thousand, nine hundred forty-three".