28148695 has 8 divisors (see below), whose sum is σ = 33824160. Its totient is φ = 22488480.

The previous prime is 28148693. The next prime is 28148699. The reversal of 28148695 is 59684182.

It is a happy number.

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

It is not a de Polignac number, because 28148695 - 2¹ = 28148693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28148693) 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, 750 + ... + 7540.

It is an arithmetic number, because the mean of its divisors is an integer number (4228020).

Almost surely, 2^28148695 is an apocalyptic number.

28148695 is a deficient number, since it is larger than the sum of its proper divisors (5675465).

28148695 is an equidigital number, since it uses as much as digits as its factorization.

28148695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625.

The product of its digits is 138240, while the sum is 43.

The square root of 28148695 is about 5305.5343745941. The cubic root of 28148695 is about 304.1954789328.

The spelling of 28148695 in words is "twenty-eight million, one hundred forty-eight thousand, six hundred ninety-five".