2487893 has 4 divisors (see below), whose sum is σ = 2495040. Its totient is φ = 2480748.

The previous prime is 2487883. The next prime is 2487907. The reversal of 2487893 is 3987842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3987842 = 2 ⋅1993921.

It is a cyclic number.

It is not a de Polignac number, because 2487893 - 2⁸ = 2487637 is a prime.

It is a super-2 number, since 2×2487893² = 12379223158898, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 4⁶ + 8⁵ + 7⁶ + 8⁷ + 9⁵ + 3¹¹ .

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2487893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (623760).

2^2487893 is an apocalyptic number.

It is an amenable number.

2487893 is a deficient number, since it is larger than the sum of its proper divisors (7147).

2487893 is an equidigital number, since it uses as much as digits as its factorization.

2487893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7146.

The product of its digits is 96768, while the sum is 41.

The square root of 2487893 is about 1577.3056140140. The cubic root of 2487893 is about 135.5014365121.

The spelling of 2487893 in words is "two million, four hundred eighty-seven thousand, eight hundred ninety-three".