28668796 has 24 divisors (see below), whose sum is σ = 56875280. Its totient is φ = 12534912.

The previous prime is 28668763. The next prime is 28668803. The reversal of 28668796 is 69786682.

28668796 = T₃₅₃ + T₃₅₄ + ... + T₅₉₉.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent 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, 13521 + ... + 15496.

Almost surely, 2^28668796 is an apocalyptic number.

28668796 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28668796 is a deficient number, since it is larger than the sum of its proper divisors (28206484).

28668796 is a wasteful number, since it uses less digits than its factorization.

28668796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29053 (or 29051 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 28668796 is about 5354.3249807982. The cubic root of 28668796 is about 306.0575880906.

The spelling of 28668796 in words is "twenty-eight million, six hundred sixty-eight thousand, seven hundred ninety-six".