28258701 has 16 divisors (see below), whose sum is σ = 39252480. Its totient is φ = 18063360.

The previous prime is 28258693. The next prime is 28258723. The reversal of 28258701 is 10785282.

It is not a de Polignac number, because 28258701 - 2³ = 28258693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28258001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9165 + ... + 11853.

It is an arithmetic number, because the mean of its divisors is an integer number (2453280).

Almost surely, 2^28258701 is an apocalyptic number.

It is an amenable number.

28258701 is a deficient number, since it is larger than the sum of its proper divisors (10993779).

28258701 is a wasteful number, since it uses less digits than its factorization.

28258701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 28258701 is about 5315.8913645785. The cubic root of 28258701 is about 304.5912323930.

The spelling of 28258701 in words is "twenty-eight million, two hundred fifty-eight thousand, seven hundred one".