2538684 has 36 divisors (see below), whose sum is σ = 6492304. Its totient is φ = 836352.

The previous prime is 2538673. The next prime is 2538691. The reversal of 2538684 is 4868352.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2²¹ + 5⁸ + 3³ + 8² + 6⁶ + 8² + 4⁶ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3129 + ... + 3855.

2^2538684 is an apocalyptic number.

It is an amenable number.

2538684 is an abundant number, since it is smaller than the sum of its proper divisors (3953620).

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

2538684 is a wasteful number, since it uses less digits than its factorization.

2538684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 829 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 2538684 is about 1593.3248256398. The cubic root of 2538684 is about 136.4173310967.

The spelling of 2538684 in words is "two million, five hundred thirty-eight thousand, six hundred eighty-four".