2905630 has 64 divisors (see below), whose sum is σ = 6709248. Its totient is φ = 881280.

The previous prime is 2905627. The next prime is 2905631. The reversal of 2905630 is 365092.

2905630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2905595 and 2905604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2905631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28159 + ... + 28261.

It is an arithmetic number, because the mean of its divisors is an integer number (104832).

2^2905630 is an apocalyptic number.

2905630 is an abundant number, since it is smaller than the sum of its proper divisors (3803618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2905630 is a wasteful number, since it uses less digits than its factorization.

2905630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 2905630 is about 1704.5908600013. The cubic root of 2905630 is about 142.6965380818.

The spelling of 2905630 in words is "two million, nine hundred five thousand, six hundred thirty".