2855929 has 4 divisors (see below), whose sum is σ = 2892160. Its totient is φ = 2819700.

The previous prime is 2855927. The next prime is 2855953. The reversal of 2855929 is 9295582.

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: 9295582 = 2 ⋅4647791.

It is a cyclic number.

It is not a de Polignac number, because 2855929 - 2¹ = 2855927 is a prime.

It is a Duffinian number.

2855929 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2855891 and 2855900.

It is not an unprimeable number, because it can be changed into a prime (2855927) 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, 17997 + ... + 18154.

It is an arithmetic number, because the mean of its divisors is an integer number (723040).

2^2855929 is an apocalyptic number.

It is an amenable number.

2855929 is a deficient number, since it is larger than the sum of its proper divisors (36231).

2855929 is an equidigital number, since it uses as much as digits as its factorization.

2855929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36230.

The product of its digits is 64800, while the sum is 40.

The square root of 2855929 is about 1689.9494075267. The cubic root of 2855929 is about 141.8782431805.

The spelling of 2855929 in words is "two million, eight hundred fifty-five thousand, nine hundred twenty-nine".