2141438 has 16 divisors (see below), whose sum is σ = 3610656. Its totient is φ = 945120.

The previous prime is 2141437. The next prime is 2141459. The reversal of 2141438 is 8341412.

It is a Harshad number since it is a multiple of its sum of digits (23).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193 + ... + 2388.

It is an arithmetic number, because the mean of its divisors is an integer number (225666).

2^2141438 is an apocalyptic number.

2141438 is a deficient number, since it is larger than the sum of its proper divisors (1469218).

2141438 is a wasteful number, since it uses less digits than its factorization.

2141438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619.

The product of its digits is 768, while the sum is 23.

The square root of 2141438 is about 1463.3652995749. The cubic root of 2141438 is about 128.8947321414.

Subtracting from 2141438 its sum of digits (23), we obtain a triangular number (2141415 = T₂₀₆₉).

The spelling of 2141438 in words is "two million, one hundred forty-one thousand, four hundred thirty-eight".