2149626 has 32 divisors (see below), whose sum is σ = 4618368. Its totient is φ = 665280.

The previous prime is 2149621. The next prime is 2149661. The reversal of 2149626 is 6269412.

2149626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 4⁷ + 9³ + 6⁴ + 2²¹ + 6⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 2149593 and 2149602.

It is not an unprimeable number, because it can be changed into a prime (2149621) 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 15 ways as a sum of consecutive naturals, for example, 4896 + ... + 5316.

It is an arithmetic number, because the mean of its divisors is an integer number (144324).

2^2149626 is an apocalyptic number.

2149626 is an abundant number, since it is smaller than the sum of its proper divisors (2468742).

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

2149626 is a wasteful number, since it uses less digits than its factorization.

2149626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its digits is 5184, while the sum is 30.

The square root of 2149626 is about 1466.1602913734. The cubic root of 2149626 is about 129.0588037897.

It can be divided in two parts, 2149 and 626, that added together give a triangular number (2775 = T₇₄).

The spelling of 2149626 in words is "two million, one hundred forty-nine thousand, six hundred twenty-six".