2458987 has 4 divisors (see below), whose sum is σ = 2467960. Its totient is φ = 2450016.

The previous prime is 2458949. The next prime is 2458991. The reversal of 2458987 is 7898542.

2458987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7898542 = 2 ⋅3949271.

It is a cyclic number.

It is not a de Polignac number, because 2458987 - 2¹¹ = 2456939 is a prime.

It is a Duffinian number.

2458987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2458927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4062 + ... + 4627.

It is an arithmetic number, because the mean of its divisors is an integer number (616990).

2^2458987 is an apocalyptic number.

2458987 is a deficient number, since it is larger than the sum of its proper divisors (8973).

2458987 is an equidigital number, since it uses as much as digits as its factorization.

2458987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8972.

The product of its digits is 161280, while the sum is 43.

The square root of 2458987 is about 1568.1157482788. The cubic root of 2458987 is about 134.9746088506.

The spelling of 2458987 in words is "two million, four hundred fifty-eight thousand, nine hundred eighty-seven".