28130196 has 24 divisors (see below), whose sum is σ = 68491584. Its totient is φ = 8968960.

The previous prime is 28130191. The next prime is 28130209. The reversal of 28130196 is 69103182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28130191) 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, 50685 + ... + 51236.

It is an arithmetic number, because the mean of its divisors is an integer number (2853816).

Almost surely, 2^28130196 is an apocalyptic number.

It is an amenable number.

28130196 is an abundant number, since it is smaller than the sum of its proper divisors (40361388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28130196 is a wasteful number, since it uses less digits than its factorization.

28130196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101951 (or 101949 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 28130196 is about 5303.7907198531. The cubic root of 28130196 is about 304.1288264012.

The spelling of 28130196 in words is "twenty-eight million, one hundred thirty thousand, one hundred ninety-six".