2423855 has 16 divisors (see below), whose sum is σ = 3469824. Its totient is φ = 1589280.

The previous prime is 2423851. The next prime is 2423857. The reversal of 2423855 is 5583242.

It is not a de Polignac number, because 2423855 - 2² = 2423851 is a prime.

It is a super-2 number, since 2×2423855² = 11750146122050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁹ + 4⁶ + 2¹⁴ + 3¹⁰ + 8² + 5⁸ + 5⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701 + ... + 2310.

It is an arithmetic number, because the mean of its divisors is an integer number (216864).

2^2423855 is an apocalyptic number.

2423855 is a deficient number, since it is larger than the sum of its proper divisors (1045969).

2423855 is a wasteful number, since it uses less digits than its factorization.

2423855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046.

The product of its digits is 9600, while the sum is 29.

The square root of 2423855 is about 1556.8734694894. The cubic root of 2423855 is about 134.3287206774.

The spelling of 2423855 in words is "two million, four hundred twenty-three thousand, eight hundred fifty-five".