2679493 has 2 divisors, whose sum is σ = 2679494. Its totient is φ = 2679492.

The previous prime is 2679491. The next prime is 2679497. The reversal of 2679493 is 3949762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1790244 + 889249 = 1338^2 + 943^2 .

It is a cyclic number.

It is not a de Polignac number, because 2679493 - 2¹ = 2679491 is a prime.

Together with 2679491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2679491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339746 + 1339747.

It is an arithmetic number, because the mean of its divisors is an integer number (1339747).

2^2679493 is an apocalyptic number.

It is an amenable number.

2679493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2679493 is an equidigital number, since it uses as much as digits as its factorization.

2679493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 2679493 is about 1636.9156972795. The cubic root of 2679493 is about 138.8942314271.

The spelling of 2679493 in words is "two million, six hundred seventy-nine thousand, four hundred ninety-three".