2538855 has 48 divisors (see below), whose sum is σ = 5031936. Its totient is φ = 1172160.

The previous prime is 2538839. The next prime is 2538871. The reversal of 2538855 is 5588352.

It is an interprime number because it is at equal distance from previous prime (2538839) and next prime (2538871).

It is not a de Polignac number, because 2538855 - 2⁴ = 2538839 is a prime.

It is a super-2 number, since 2×2538855² = 12891569422050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11274 + ... + 11496.

It is an arithmetic number, because the mean of its divisors is an integer number (104832).

2^2538855 is an apocalyptic number.

2538855 is a deficient number, since it is larger than the sum of its proper divisors (2493081).

2538855 is a wasteful number, since it uses less digits than its factorization.

2538855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 265 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 2538855 is about 1593.3784861106. The cubic root of 2538855 is about 136.4203939487.

The spelling of 2538855 in words is "two million, five hundred thirty-eight thousand, eight hundred fifty-five".