28201796 has 24 divisors (see below), whose sum is σ = 56535360. Its totient is φ = 12058272.

The previous prime is 28201787. The next prime is 28201813. The reversal of 28201796 is 69710282.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14870 + ... + 16658.

It is an arithmetic number, because the mean of its divisors is an integer number (2355640).

Almost surely, 2^28201796 is an apocalyptic number.

It is an amenable number.

28201796 is an abundant number, since it is smaller than the sum of its proper divisors (28333564).

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

28201796 is a wasteful number, since it uses less digits than its factorization.

28201796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363 (or 2361 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 28201796 is about 5310.5363194314. The cubic root of 28201796 is about 304.3866415836.

The spelling of 28201796 in words is "twenty-eight million, two hundred one thousand, seven hundred ninety-six".