2909630 has 8 divisors (see below), whose sum is σ = 5237352. Its totient is φ = 1163848.

The previous prime is 2909623. The next prime is 2909633. The reversal of 2909630 is 369092.

It is a sphenic number, since it is the product of 3 distinct primes.

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 = 2909593 and 2909602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2909633) 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, 145472 + ... + 145491.

It is an arithmetic number, because the mean of its divisors is an integer number (654669).

2^2909630 is an apocalyptic number.

2909630 is a deficient number, since it is larger than the sum of its proper divisors (2327722).

2909630 is a wasteful number, since it uses less digits than its factorization.

2909630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290970.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 2909630 is about 1705.7637585551. The cubic root of 2909630 is about 142.7619885384.

The spelling of 2909630 in words is "two million, nine hundred nine thousand, six hundred thirty".