2148636 has 24 divisors (see below), whose sum is σ = 5729920. Its totient is φ = 613872.

The previous prime is 2148631. The next prime is 2148649. The reversal of 2148636 is 6368412.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 4⁶ + 8³ + 6³ + 3 + 6⁶ .

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148631) 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, 12706 + ... + 12873.

2^2148636 is an apocalyptic number.

It is an amenable number.

2148636 is an abundant number, since it is smaller than the sum of its proper divisors (3581284).

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

2148636 is a wasteful number, since it uses less digits than its factorization.

2148636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25593 (or 25591 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 2148636 is about 1465.8226359284. The cubic root of 2148636 is about 129.0389882753.

The spelling of 2148636 in words is "two million, one hundred forty-eight thousand, six hundred thirty-six".