2138496 has 32 divisors (see below), whose sum is σ = 5681400. Its totient is φ = 712704.

The previous prime is 2138491. The next prime is 2138501. The reversal of 2138496 is 6948312.

It is an interprime number because it is at equal distance from previous prime (2138491) and next prime (2138501).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2401 + ... + 3168.

2^2138496 is an apocalyptic number.

It is an amenable number.

2138496 is an abundant number, since it is smaller than the sum of its proper divisors (3542904).

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

2138496 is an equidigital number, since it uses as much as digits as its factorization.

2138496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586 (or 5574 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 2138496 is about 1462.3597368637. The cubic root of 2138496 is about 128.8356780397.

The spelling of 2138496 in words is "two million, one hundred thirty-eight thousand, four hundred ninety-six".