2138927 has 8 divisors (see below), whose sum is σ = 2486400. Its totient is φ = 1801944.

The previous prime is 2138909. The next prime is 2138971. The reversal of 2138927 is 7298312.

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

It is a cyclic number.

It is not a de Polignac number, because 2138927 - 2⁸ = 2138671 is a prime.

It is a super-2 number, since 2×2138927² = 9150017422658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2138893 and 2138902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138987) 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, 2177 + ... + 3002.

It is an arithmetic number, because the mean of its divisors is an integer number (310800).

2^2138927 is an apocalyptic number.

2138927 is a deficient number, since it is larger than the sum of its proper divisors (347473).

2138927 is an equidigital number, since it uses as much as digits as its factorization.

2138927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245.

The product of its digits is 6048, while the sum is 32.

The square root of 2138927 is about 1462.5070939999. The cubic root of 2138927 is about 128.8443327901.

The spelling of 2138927 in words is "two million, one hundred thirty-eight thousand, nine hundred twenty-seven".