28162996 has 6 divisors (see below), whose sum is σ = 49285250. Its totient is φ = 14081496.

The previous prime is 28162991. The next prime is 28163021. The reversal of 28162996 is 69926182.

It can be written as a sum of positive squares in only one way, i.e., 17338896 + 10824100 = 4164^2 + 3290^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28162991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3520371 + ... + 3520378.

Almost surely, 2^28162996 is an apocalyptic number.

It is an amenable number.

28162996 is a deficient number, since it is larger than the sum of its proper divisors (21122254).

28162996 is a wasteful number, since it uses less digits than its factorization.

28162996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7040753 (or 7040751 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 28162996 is about 5306.8819470570. The cubic root of 28162996 is about 304.2469859154.

The spelling of 28162996 in words is "twenty-eight million, one hundred sixty-two thousand, nine hundred ninety-six".