2645923 has 8 divisors (see below), whose sum is σ = 3041280. Its totient is φ = 2254920.

The previous prime is 2645917. The next prime is 2645927. The reversal of 2645923 is 3295462.

2645923 is digitally balanced in base 8, 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 a cyclic number.

It is not a de Polignac number, because 2645923 - 2⁵ = 2645891 is a prime.

It is a d-powerful number, because it can be written as 2 + 6⁷ + 4⁹ + 5³ + 9⁴ + 2²¹ + 3 .

It is a Duffinian number.

2645923 is strictly pandigital in base 8.

2645923 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2645927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348 + ... + 2326.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

2^2645923 is an apocalyptic number.

2645923 is a deficient number, since it is larger than the sum of its proper divisors (395357).

2645923 is a wasteful number, since it uses less digits than its factorization.

2645923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177.

The product of its digits is 12960, while the sum is 31.

The square root of 2645923 is about 1626.6293370034. The cubic root of 2645923 is about 138.3117470874.

The spelling of 2645923 in words is "two million, six hundred forty-five thousand, nine hundred twenty-three".