28923996 has 24 divisors (see below), whose sum is σ = 68024320. Its totient is φ = 9564912.

The previous prime is 28923971. The next prime is 28923997. The reversal of 28923996 is 69932982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28923997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7966 + ... + 11013.

Almost surely, 2^28923996 is an apocalyptic number.

It is an amenable number.

28923996 is an abundant number, since it is smaller than the sum of its proper divisors (39100324).

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

28923996 is a wasteful number, since it uses less digits than its factorization.

28923996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19113 (or 19111 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 28923996 is about 5378.1033831640. The cubic root of 28923996 is about 306.9630473265.

The spelling of 28923996 in words is "twenty-eight million, nine hundred twenty-three thousand, nine hundred ninety-six".