28303046 has 8 divisors (see below), whose sum is σ = 44689080. Its totient is φ = 13406688.

The previous prime is 28303021. The next prime is 28303057. The reversal of 28303046 is 64030382.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372371 + ... + 372446.

It is an arithmetic number, because the mean of its divisors is an integer number (5586135).

Almost surely, 2^28303046 is an apocalyptic number.

28303046 is a deficient number, since it is larger than the sum of its proper divisors (16386034).

28303046 is a wasteful number, since it uses less digits than its factorization.

28303046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744838.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 28303046 is about 5320.0607139393. The cubic root of 28303046 is about 304.7504758417.

The spelling of 28303046 in words is "twenty-eight million, three hundred three thousand, forty-six".