2138374 has 16 divisors (see below), whose sum is σ = 3859200. Its totient is φ = 868104.

The previous prime is 2138371. The next prime is 2138377. The reversal of 2138374 is 4738312.

It is an interprime number because it is at equal distance from previous prime (2138371) and next prime (2138377).

It is a d-powerful number, because it can be written as 2¹⁹ + 1 + 3⁹ + 8 + 3¹³ + 7 + 4³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138371) 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, 3754 + ... + 4285.

It is an arithmetic number, because the mean of its divisors is an integer number (241200).

2^2138374 is an apocalyptic number.

2138374 is a deficient number, since it is larger than the sum of its proper divisors (1720826).

2138374 is a wasteful number, since it uses less digits than its factorization.

2138374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8067.

The product of its digits is 4032, while the sum is 28.

The square root of 2138374 is about 1462.3180228664. The cubic root of 2138374 is about 128.8332279920.

The spelling of 2138374 in words is "two million, one hundred thirty-eight thousand, three hundred seventy-four".