28196296 has 8 divisors (see below), whose sum is σ = 52868070. Its totient is φ = 14098144.

The previous prime is 28196293. The next prime is 28196297. The reversal of 28196296 is 69269182.

It can be written as a sum of positive squares in only one way, i.e., 28196100 + 196 = 5310^2 + 14^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×28196296² = 1590062216239232, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 28196296 parts by 7509 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (28196291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1762261 + ... + 1762276.

Almost surely, 2^28196296 is an apocalyptic number.

It is an amenable number.

28196296 is a deficient number, since it is larger than the sum of its proper divisors (24671774).

28196296 is a wasteful number, since it uses less digits than its factorization.

28196296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524543 (or 3524539 counting only the distinct ones).

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

The square root of 28196296 is about 5310.0184557118. The cubic root of 28196296 is about 304.3668528276.

The spelling of 28196296 in words is "twenty-eight million, one hundred ninety-six thousand, two hundred ninety-six".