2127864 has 16 divisors (see below), whose sum is σ = 5319720. Its totient is φ = 709280.

The previous prime is 2127857. The next prime is 2127883. The reversal of 2127864 is 4687212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44307 + ... + 44354.

2^2127864 is an apocalyptic number.

2127864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2127864 is an abundant number, since it is smaller than the sum of its proper divisors (3191856).

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

2127864 is a wasteful number, since it uses less digits than its factorization.

2127864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88670 (or 88666 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 2127864 is about 1458.7199868378. The cubic root of 2127864 is about 128.6218116472.

The spelling of 2127864 in words is "two million, one hundred twenty-seven thousand, eight hundred sixty-four".