18428795 has 32 divisors (see below), whose sum is σ = 27841536. Its totient is φ = 11376000.

The previous prime is 18428791. The next prime is 18428797. The reversal of 18428795 is 59782481.

It is not a de Polignac number, because 18428795 - 2² = 18428791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18428791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57977 + ... + 58293.

It is an arithmetic number, because the mean of its divisors is an integer number (870048).

Almost surely, 2^18428795 is an apocalyptic number.

18428795 is a deficient number, since it is larger than the sum of its proper divisors (9412741).

18428795 is a wasteful number, since it uses less digits than its factorization.

18428795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its digits is 161280, while the sum is 44.

The square root of 18428795 is about 4292.8772402667. The cubic root of 18428795 is about 264.1388684384.

The spelling of 18428795 in words is "eighteen million, four hundred twenty-eight thousand, seven hundred ninety-five".