2906624 has 40 divisors (see below), whose sum is σ = 6645408. Its totient is φ = 1244160.

The previous prime is 2906623. The next prime is 2906627. The reversal of 2906624 is 4266092.

It is not an unprimeable number, because it can be changed into a prime (2906623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3179 + ... + 3989.

2^2906624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2906624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3322704).

2906624 is an abundant number, since it is smaller than the sum of its proper divisors (3738784).

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

2906624 is an frugal number, since it uses more digits than its factorization.

2906624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2906624 is about 1704.8824006365. The cubic root of 2906624 is about 142.7128081263.

The spelling of 2906624 in words is "two million, nine hundred six thousand, six hundred twenty-four".