28160002 has 8 divisors (see below), whose sum is σ = 45489276. Its totient is φ = 12996912.

The previous prime is 28159993. The next prime is 28160009. The reversal of 28160002 is 20006182.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24591681 + 3568321 = 4959^2 + 1889^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28160009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541513 + ... + 541564.

Almost surely, 2^28160002 is an apocalyptic number.

28160002 is a deficient number, since it is larger than the sum of its proper divisors (17329274).

28160002 is a wasteful number, since it uses less digits than its factorization.

28160002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083092.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 28160002 is about 5306.5998530132. The cubic root of 28160002 is about 304.2362040635.

Adding to 28160002 its reverse (20006182), we get a palindrome (48166184).

The spelling of 28160002 in words is "twenty-eight million, one hundred sixty thousand, two".