28451852 has 24 divisors (see below), whose sum is σ = 58496592. Its totient is φ = 11937600.

The previous prime is 28451837. The next prime is 28451869. The reversal of 28451852 is 25815482.

28451852 = T₁₂₈ + T₁₂₉ + ... + T₅₅₆.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24299 + ... + 25442.

It is an arithmetic number, because the mean of its divisors is an integer number (2437358).

Almost surely, 2^28451852 is an apocalyptic number.

28451852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28451852 is an abundant number, since it is smaller than the sum of its proper divisors (30044740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28451852 is a wasteful number, since it uses less digits than its factorization.

28451852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49769 (or 49767 counting only the distinct ones).

The product of its digits is 25600, while the sum is 35.

The square root of 28451852 is about 5334.0277464595. The cubic root of 28451852 is about 305.2836275925.

The spelling of 28451852 in words is "twenty-eight million, four hundred fifty-one thousand, eight hundred fifty-two".