2678953 has 4 divisors (see below), whose sum is σ = 2736000. Its totient is φ = 2621908.

The previous prime is 2678941. The next prime is 2678983. The reversal of 2678953 is 3598762.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3598762 = 2 ⋅1799381.

It is a cyclic number.

It is not a de Polignac number, because 2678953 - 2⁹ = 2678441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2678903) 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, 28453 + ... + 28546.

It is an arithmetic number, because the mean of its divisors is an integer number (684000).

2^2678953 is an apocalyptic number.

It is an amenable number.

2678953 is a deficient number, since it is larger than the sum of its proper divisors (57047).

2678953 is an equidigital number, since it uses as much as digits as its factorization.

2678953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57046.

The product of its digits is 90720, while the sum is 40.

The square root of 2678953 is about 1636.7507446157. The cubic root of 2678953 is about 138.8849003181.

The spelling of 2678953 in words is "two million, six hundred seventy-eight thousand, nine hundred fifty-three".