2634855 has 16 divisors (see below), whose sum is σ = 4237920. Its totient is φ = 1397888.

The previous prime is 2634839. The next prime is 2634859. The reversal of 2634855 is 5584362.

It is a cyclic number.

It is not a de Polignac number, because 2634855 - 2⁴ = 2634839 is a prime.

It is a d-powerful number, because it can be written as 2⁸ + 6⁷ + 3⁸ + 4⁴ + 8⁴ + 5⁸ + 5⁹ .

2634855 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3709 + ... + 4361.

It is an arithmetic number, because the mean of its divisors is an integer number (264870).

2^2634855 is an apocalyptic number.

2634855 is a deficient number, since it is larger than the sum of its proper divisors (1603065).

2634855 is a wasteful number, since it uses less digits than its factorization.

2634855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930.

The product of its digits is 28800, while the sum is 33.

The square root of 2634855 is about 1623.2236444803. The cubic root of 2634855 is about 138.1186230617.

The spelling of 2634855 in words is "two million, six hundred thirty-four thousand, eight hundred fifty-five".