2402403887 has 4 divisors (see below), whose sum is σ = 2587204200. Its totient is φ = 2217603576.

The previous prime is 2402403847. The next prime is 2402403893. The reversal of 2402403887 is 7883042042.

It is a happy number.

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 2402403887 - 2⁶ = 2402403823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2402403887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402403847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92400137 + ... + 92400162.

It is an arithmetic number, because the mean of its divisors is an integer number (646801050).

Almost surely, 2^2402403887 is an apocalyptic number.

2402403887 is a deficient number, since it is larger than the sum of its proper divisors (184800313).

2402403887 is a wasteful number, since it uses less digits than its factorization.

2402403887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184800312.

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 2402403887 is about 49014.3232841177. The cubic root of 2402403887 is about 1339.3127624372.

The spelling of 2402403887 in words is "two billion, four hundred two million, four hundred three thousand, eight hundred eighty-seven".