2124438 has 8 divisors (see below), whose sum is σ = 4248888. Its totient is φ = 708144.

The previous prime is 2124431. The next prime is 2124443. The reversal of 2124438 is 8344212.

It is a sphenic number, since it is the product of 3 distinct primes.

2124438 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177031 + ... + 177042.

It is an arithmetic number, because the mean of its divisors is an integer number (531111).

2^2124438 is an apocalyptic number.

2124438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2124438 is a wasteful number, since it uses less digits than its factorization.

2124438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354078.

The product of its digits is 1536, while the sum is 24.

The square root of 2124438 is about 1457.5451965548. The cubic root of 2124438 is about 128.5527447277.

The spelling of 2124438 in words is "two million, one hundred twenty-four thousand, four hundred thirty-eight".