451828 has 12 divisors (see below), whose sum is σ = 851620. Its totient is φ = 208512.

The previous prime is 451823. The next prime is 451831. The reversal of 451828 is 828154.

It can be written as a sum of positive squares in 2 ways, for example, as 242064 + 209764 = 492^2 + 458^2 .

It is a junction number, because it is equal to n+sod(n) for n = 451796 and 451805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451823) 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, 4293 + ... + 4396.

2⁴⁵¹⁸²⁸ is an apocalyptic number.

It is an amenable number.

451828 is a deficient number, since it is larger than the sum of its proper divisors (399792).

451828 is a wasteful number, since it uses less digits than its factorization.

451828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8706 (or 8704 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 451828 is about 672.1815231022. The cubic root of 451828 is about 76.7345670250.

The spelling of 451828 in words is "four hundred fifty-one thousand, eight hundred twenty-eight".