2623855 has 16 divisors (see below), whose sum is σ = 3485664. Its totient is φ = 1883520.

The previous prime is 2623847. The next prime is 2623861. The reversal of 2623855 is 5583262.

It is a happy number.

It is not a de Polignac number, because 2623855 - 2³ = 2623847 is a prime.

It is a super-2 number, since 2×2623855² = 13769230122050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁴ + 6⁷ + 2⁶ + 3⁴ + 8 + 5⁸ + 5⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1860 + ... + 2950.

It is an arithmetic number, because the mean of its divisors is an integer number (217854).

2^2623855 is an apocalyptic number.

2623855 is a deficient number, since it is larger than the sum of its proper divisors (861809).

2623855 is a wasteful number, since it uses less digits than its factorization.

2623855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its digits is 14400, while the sum is 31.

The square root of 2623855 is about 1619.8317813897. The cubic root of 2623855 is about 137.9261489613.

The spelling of 2623855 in words is "two million, six hundred twenty-three thousand, eight hundred fifty-five".