28919059 has 8 divisors (see below), whose sum is σ = 31185392. Its totient is φ = 26658720.

The previous prime is 28919047. The next prime is 28919071. The reversal of 28919059 is 95091982.

It is an interprime number because it is at equal distance from previous prime (28919047) and next prime (28919071).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28919059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28919039) 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, 18124 + ... + 19654.

It is an arithmetic number, because the mean of its divisors is an integer number (3898174).

Almost surely, 2^28919059 is an apocalyptic number.

28919059 is a deficient number, since it is larger than the sum of its proper divisors (2266333).

28919059 is a wasteful number, since it uses less digits than its factorization.

28919059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 28919059 is about 5377.6443727714. The cubic root of 28919059 is about 306.9455812890.

The spelling of 28919059 in words is "twenty-eight million, nine hundred nineteen thousand, fifty-nine".