28814901 has 8 divisors (see below), whose sum is σ = 39237504. Its totient is φ = 18801120.

The previous prime is 28814879. The next prime is 28814921. The reversal of 28814901 is 10941882.

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

It is not a de Polignac number, because 28814901 - 2⁵ = 28814869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28814921) 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, 102040 + ... + 102321.

It is an arithmetic number, because the mean of its divisors is an integer number (4904688).

Almost surely, 2^28814901 is an apocalyptic number.

It is an amenable number.

28814901 is a deficient number, since it is larger than the sum of its proper divisors (10422603).

28814901 is a wasteful number, since it uses less digits than its factorization.

28814901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204411.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 28814901 is about 5367.9512851739. The cubic root of 28814901 is about 306.5766285504.

The spelling of 28814901 in words is "twenty-eight million, eight hundred fourteen thousand, nine hundred one".