28848831 has 32 divisors (see below), whose sum is σ = 44236800. Its totient is φ = 16552800.

The previous prime is 28848811. The next prime is 28848901. The reversal of 28848831 is 13884882.

28848831 = T₁₆₄ + T₁₆₅ + ... + T₅₆₁.

It is not a de Polignac number, because 28848831 - 2⁶ = 28848767 is a prime.

It is a super-2 number, since 2×28848831² = 1664510100133122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28848811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144870 + ... + 145068.

It is an arithmetic number, because the mean of its divisors is an integer number (1382400).

Almost surely, 2^28848831 is an apocalyptic number.

28848831 is a deficient number, since it is larger than the sum of its proper divisors (15387969).

28848831 is a wasteful number, since it uses less digits than its factorization.

28848831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427.

The product of its digits is 98304, while the sum is 42.

The square root of 28848831 is about 5371.1107789730. The cubic root of 28848831 is about 306.6969142870.

The spelling of 28848831 in words is "twenty-eight million, eight hundred forty-eight thousand, eight hundred thirty-one".