2402987 has 4 divisors (see below), whose sum is σ = 2529480. Its totient is φ = 2276496.

The previous prime is 2402951. The next prime is 2402999. The reversal of 2402987 is 7892042.

2402987 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.

It is a cyclic number.

It is not a de Polignac number, because 2402987 - 2⁸ = 2402731 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2402927) 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, 63218 + ... + 63255.

It is an arithmetic number, because the mean of its divisors is an integer number (632370).

2^2402987 is an apocalyptic number.

2402987 is a deficient number, since it is larger than the sum of its proper divisors (126493).

2402987 is a wasteful number, since it uses less digits than its factorization.

2402987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126492.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2402987 is about 1550.1570888139. The cubic root of 2402987 is about 133.9421113287.

The spelling of 2402987 in words is "two million, four hundred two thousand, nine hundred eighty-seven".