2644532 has 12 divisors (see below), whose sum is σ = 5048736. Its totient is φ = 1202040.

The previous prime is 2644531. The next prime is 2644547. The reversal of 2644532 is 2354462.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁹ + 6 + 4² + 4⁷ + 5³ + 3⁸ + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30008 + ... + 30095.

It is an arithmetic number, because the mean of its divisors is an integer number (420728).

2^2644532 is an apocalyptic number.

2644532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2644532 is a deficient number, since it is larger than the sum of its proper divisors (2404204).

2644532 is a wasteful number, since it uses less digits than its factorization.

2644532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60118 (or 60116 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 2644532 is about 1626.2017095059. The cubic root of 2644532 is about 138.2875053433.

Adding to 2644532 its reverse (2354462), we get a palindrome (4998994).

It can be divided in two parts, 264453 and 2, that multiplied together give a triangular number (528906 = T₁₀₂₈).

The spelling of 2644532 in words is "two million, six hundred forty-four thousand, five hundred thirty-two".