28669296 has 40 divisors (see below), whose sum is σ = 76455424. Its totient is φ = 9247680.

The previous prime is 28669283. The next prime is 28669297. The reversal of 28669296 is 69296682.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28669297) 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, 8146 + ... + 11121.

Almost surely, 2^28669296 is an apocalyptic number.

It is an amenable number.

28669296 is an abundant number, since it is smaller than the sum of its proper divisors (47786128).

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

28669296 is a wasteful number, since it uses less digits than its factorization.

28669296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19309 (or 19303 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 28669296 is about 5354.3716718211. The cubic root of 28669296 is about 306.0593673527.

The spelling of 28669296 in words is "twenty-eight million, six hundred sixty-nine thousand, two hundred ninety-six".