2279905 has 16 divisors (see below), whose sum is σ = 2920320. Its totient is φ = 1703808.

The previous prime is 2279899. The next prime is 2279911. The reversal of 2279905 is 5099722.

It is an interprime number because it is at equal distance from previous prime (2279899) and next prime (2279911).

It is a cyclic number.

It is not a de Polignac number, because 2279905 - 2³ = 2279897 is a prime.

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, 9669 + ... + 9901.

It is an arithmetic number, because the mean of its divisors is an integer number (182520).

2^2279905 is an apocalyptic number.

It is an amenable number.

2279905 is a deficient number, since it is larger than the sum of its proper divisors (640415).

2279905 is a wasteful number, since it uses less digits than its factorization.

2279905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 2279905 is about 1509.9354290830. The cubic root of 2279905 is about 131.6150592671.

The spelling of 2279905 in words is "two million, two hundred seventy-nine thousand, nine hundred five".