2829805 has 16 divisors (see below), whose sum is σ = 3867264. Its totient is φ = 1967680.

The previous prime is 2829793. The next prime is 2829809. The reversal of 2829805 is 5089282.

It is not a de Polignac number, because 2829805 - 2⁷ = 2829677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2829809) 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, 147 + ... + 2383.

It is an arithmetic number, because the mean of its divisors is an integer number (241704).

2^2829805 is an apocalyptic number.

It is an amenable number.

2829805 is a deficient number, since it is larger than the sum of its proper divisors (1037459).

2829805 is a wasteful number, since it uses less digits than its factorization.

2829805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 2829805 is about 1682.2024253936. The cubic root of 2829805 is about 141.4443170968. Note that the first 3 decimals are identical.

The spelling of 2829805 in words is "two million, eight hundred twenty-nine thousand, eight hundred five".