2905039 has 4 divisors (see below), whose sum is σ = 2908480. Its totient is φ = 2901600.

The previous prime is 2905033. The next prime is 2905057. The reversal of 2905039 is 9305092.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2905039 - 2³ = 2905031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2904998 and 2905016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2905031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514 + ... + 2464.

It is an arithmetic number, because the mean of its divisors is an integer number (727120).

2^2905039 is an apocalyptic number.

2905039 is a deficient number, since it is larger than the sum of its proper divisors (3441).

2905039 is a wasteful number, since it uses less digits than its factorization.

2905039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 2905039 is about 1704.4174958032. The cubic root of 2905039 is about 142.6868626847.

It can be divided in two parts, 290 and 5039, that added together give a square (5329 = 73²).

The spelling of 2905039 in words is "two million, nine hundred five thousand, thirty-nine".