28058061 has 8 divisors (see below), whose sum is σ = 37923520. Its totient is φ = 18448992.

The previous prime is 28058057. The next prime is 28058081. The reversal of 28058061 is 16085082.

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

It is not a de Polignac number, because 28058061 - 2² = 28058057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28058021) 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, 63841 + ... + 64278.

It is an arithmetic number, because the mean of its divisors is an integer number (4740440).

Almost surely, 2^28058061 is an apocalyptic number.

It is an amenable number.

28058061 is a deficient number, since it is larger than the sum of its proper divisors (9865459).

28058061 is a wasteful number, since it uses less digits than its factorization.

28058061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128195.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 28058061 is about 5296.9860298098. The cubic root of 28058061 is about 303.8686420309.

The spelling of 28058061 in words is "twenty-eight million, fifty-eight thousand, sixty-one".