28842696 has 64 divisors (see below), whose sum is σ = 81355200. Its totient is φ = 9465984.

The previous prime is 28842677. The next prime is 28842701. The reversal of 28842696 is 69624882.

It is a super-2 number, since 2×28842696² = 1663802225096832, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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 in 15 ways as a sum of consecutive naturals, for example, 13476 + ... + 15468.

It is an arithmetic number, because the mean of its divisors is an integer number (1271175).

Almost surely, 2^28842696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28842696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40677600).

28842696 is an abundant number, since it is smaller than the sum of its proper divisors (52512504).

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

28842696 is a wasteful number, since it uses less digits than its factorization.

28842696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075 (or 2065 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 28842696 is about 5370.5396376901. The cubic root of 28842696 is about 306.6751719968.

It can be divided in two parts, 28 and 842696, that added together give a square (842724 = 918²).

The spelling of 28842696 in words is "twenty-eight million, eight hundred forty-two thousand, six hundred ninety-six".