2402187 has 4 divisors (see below), whose sum is σ = 3202920. Its totient is φ = 1601456.

The previous prime is 2402177. The next prime is 2402201. The reversal of 2402187 is 7812042.

2402187 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 a de Polignac number, because none of the positive numbers 2^k-2402187 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2402107) 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, 400362 + ... + 400367.

It is an arithmetic number, because the mean of its divisors is an integer number (800730).

2^2402187 is an apocalyptic number.

2402187 is a deficient number, since it is larger than the sum of its proper divisors (800733).

2402187 is an equidigital number, since it uses as much as digits as its factorization.

2402187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800732.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2402187 is about 1549.8990289693. The cubic root of 2402187 is about 133.9272457215.

The spelling of 2402187 in words is "two million, four hundred two thousand, one hundred eighty-seven".