2140415 has 4 divisors (see below), whose sum is σ = 2568504. Its totient is φ = 1712328.

The previous prime is 2140399. The next prime is 2140421. The reversal of 2140415 is 5140412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2140415 - 2⁴ = 2140399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140393 and 2140402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214037 + ... + 214046.

It is an arithmetic number, because the mean of its divisors is an integer number (642126).

2^2140415 is an apocalyptic number.

2140415 is a deficient number, since it is larger than the sum of its proper divisors (428089).

2140415 is an equidigital number, since it uses as much as digits as its factorization.

2140415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428088.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2140415 is about 1463.0157210365. The cubic root of 2140415 is about 128.8742038307.

Adding to 2140415 its reverse (5140412), we get a palindrome (7280827).

The spelling of 2140415 in words is "two million, one hundred forty thousand, four hundred fifteen".