28097496 has 64 divisors (see below), whose sum is σ = 89203200. Its totient is φ = 8027424.

The previous prime is 28097483. The next prime is 28097497. The reversal of 28097496 is 69479082.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28097497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7780 + ... + 10803.

It is an arithmetic number, because the mean of its divisors is an integer number (1393800).

Almost surely, 2^28097496 is an apocalyptic number.

It is an amenable number.

28097496 is an abundant number, since it is smaller than the sum of its proper divisors (61105704).

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

28097496 is a wasteful number, since it uses less digits than its factorization.

28097496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18605 (or 18595 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 28097496 is about 5300.7071226394. The cubic root of 28097496 is about 304.0109356639.

The spelling of 28097496 in words is "twenty-eight million, ninety-seven thousand, four hundred ninety-six".