2451868 has 6 divisors (see below), whose sum is σ = 4290776. Its totient is φ = 1225932.

The previous prime is 2451857. The next prime is 2451871. The reversal of 2451868 is 8681542.

2451868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 306480 + ... + 306487.

2^2451868 is an apocalyptic number.

It is an amenable number.

2451868 is a deficient number, since it is larger than the sum of its proper divisors (1838908).

2451868 is a wasteful number, since it uses less digits than its factorization.

2451868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612971 (or 612969 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 2451868 is about 1565.8441812645. The cubic root of 2451868 is about 134.8442281941.

The spelling of 2451868 in words is "two million, four hundred fifty-one thousand, eight hundred sixty-eight".