451868 has 6 divisors (see below), whose sum is σ = 790776. Its totient is φ = 225932.

The previous prime is 451859. The next prime is 451873. The reversal of 451868 is 868154.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

451868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56480 + ... + 56487.

It is an arithmetic number, because the mean of its divisors is an integer number (131796).

2⁴⁵¹⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

451868 is a deficient number, since it is larger than the sum of its proper divisors (338908).

451868 is a wasteful number, since it uses less digits than its factorization.

451868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112971 (or 112969 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 451868 is about 672.2112763113. The cubic root of 451868 is about 76.7368313764.

The spelling of 451868 in words is "four hundred fifty-one thousand, eight hundred sixty-eight".