28286061 has 8 divisors (see below), whose sum is σ = 37739424. Its totient is φ = 18845040.

The previous prime is 28286053. The next prime is 28286077. The reversal of 28286061 is 16068282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28286061 - 2³ = 28286053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28286081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6706 + ... + 10076.

It is an arithmetic number, because the mean of its divisors is an integer number (4717428).

Almost surely, 2^28286061 is an apocalyptic number.

It is an amenable number.

28286061 is a deficient number, since it is larger than the sum of its proper divisors (9453363).

28286061 is a wasteful number, since it uses less digits than its factorization.

28286061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 28286061 is about 5318.4641580065. The cubic root of 28286061 is about 304.6895021617.

The spelling of 28286061 in words is "twenty-eight million, two hundred eighty-six thousand, sixty-one".