2634905 has 16 divisors (see below), whose sum is σ = 3892224. Its totient is φ = 1667520.

The previous prime is 2634893. The next prime is 2634923. The reversal of 2634905 is 5094362.

It is not a de Polignac number, because 2634905 - 2⁸ = 2634649 is a prime.

It is a Curzon 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, 2441 + ... + 3350.

It is an arithmetic number, because the mean of its divisors is an integer number (243264).

2^2634905 is an apocalyptic number.

It is an amenable number.

2634905 is a deficient number, since it is larger than the sum of its proper divisors (1257319).

2634905 is a wasteful number, since it uses less digits than its factorization.

2634905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2634905 is about 1623.2390458586. The cubic root of 2634905 is about 138.1194967198.

The spelling of 2634905 in words is "two million, six hundred thirty-four thousand, nine hundred five".