2127438 has 16 divisors (see below), whose sum is σ = 4727760. Its totient is φ = 709128.

The previous prime is 2127427. The next prime is 2127443. The reversal of 2127438 is 8347212.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19645 + ... + 19752.

It is an arithmetic number, because the mean of its divisors is an integer number (295485).

2^2127438 is an apocalyptic number.

2127438 is an abundant number, since it is smaller than the sum of its proper divisors (2600322).

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

2127438 is a wasteful number, since it uses less digits than its factorization.

2127438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39408 (or 39402 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2127438 is about 1458.5739611004. The cubic root of 2127438 is about 128.6132276793.

It can be divided in two parts, 21274 and 38, that added together give a palindrome (21312).

The spelling of 2127438 in words is "two million, one hundred twenty-seven thousand, four hundred thirty-eight".