28306341 has 48 divisors (see below), whose sum is σ = 49672320. Its totient is φ = 15798888.

The previous prime is 28306337. The next prime is 28306367. The reversal of 28306341 is 14360382.

It is a happy number.

28306341 is a `hidden beast` number, since 28 + 3 + 0 + 634 + 1 = 666.

It is not a de Polignac number, because 28306341 - 2² = 28306337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28306301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 658266 + ... + 658308.

It is an arithmetic number, because the mean of its divisors is an integer number (1034840).

Almost surely, 2^28306341 is an apocalyptic number.

28306341 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28306341 is a deficient number, since it is larger than the sum of its proper divisors (21365979).

28306341 is an frugal number, since it uses more digits than its factorization.

28306341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 28306341 is about 5320.3703818437. The cubic root of 28306341 is about 304.7623015872.

The spelling of 28306341 in words is "twenty-eight million, three hundred six thousand, three hundred forty-one".