2548636 has 24 divisors (see below), whose sum is σ = 4677120. Its totient is φ = 1213632.

The previous prime is 2548631. The next prime is 2548639. The reversal of 2548636 is 6368452.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2⁹ + 5⁹ + 4⁷ + 8³ + 6 + 3¹² + 6⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2548631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14646 + ... + 14818.

It is an arithmetic number, because the mean of its divisors is an integer number (194880).

2^2548636 is an apocalyptic number.

It is an amenable number.

2548636 is a deficient number, since it is larger than the sum of its proper divisors (2128484).

2548636 is a wasteful number, since it uses less digits than its factorization.

2548636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 331 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 2548636 is about 1596.4448001732. Note that the first 3 decimals coincide. The cubic root of 2548636 is about 136.5953570746.

The spelling of 2548636 in words is "two million, five hundred forty-eight thousand, six hundred thirty-six".