2463987 has 4 divisors (see below), whose sum is σ = 3285320. Its totient is φ = 1642656.

The previous prime is 2463983. The next prime is 2463991. The reversal of 2463987 is 7893642.

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

It is an interprime number because it is at equal distance from previous prime (2463983) and next prime (2463991).

It is not a de Polignac number, because 2463987 - 2² = 2463983 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 4⁸ + 6⁸ + 3¹¹ + 9² + 8³ + 7⁵ .

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2463983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410662 + ... + 410667.

It is an arithmetic number, because the mean of its divisors is an integer number (821330).

2^2463987 is an apocalyptic number.

2463987 is a deficient number, since it is larger than the sum of its proper divisors (821333).

2463987 is an equidigital number, since it uses as much as digits as its factorization.

2463987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821332.

The product of its digits is 72576, while the sum is 39.

The square root of 2463987 is about 1569.7092087390. The cubic root of 2463987 is about 135.0660307981.

The spelling of 2463987 in words is "two million, four hundred sixty-three thousand, nine hundred eighty-seven".