28902097 has 8 divisors (see below), whose sum is σ = 34769600. Its totient is φ = 23469264.

The previous prime is 28902077. The next prime is 28902101. The reversal of 28902097 is 79020982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28902097 - 2⁷ = 28901969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28902017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108522 + ... + 108787.

It is an arithmetic number, because the mean of its divisors is an integer number (4346200).

Almost surely, 2^28902097 is an apocalyptic number.

It is an amenable number.

28902097 is a deficient number, since it is larger than the sum of its proper divisors (5867503).

28902097 is a wasteful number, since it uses less digits than its factorization.

28902097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217335.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 28902097 is about 5376.0670568735. The cubic root of 28902097 is about 306.8855582526.

The spelling of 28902097 in words is "twenty-eight million, nine hundred two thousand, ninety-seven".