28412715 has 8 divisors (see below), whose sum is σ = 45460368. Its totient is φ = 15153440.

The previous prime is 28412687. The next prime is 28412731. The reversal of 28412715 is 51721482.

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

It is not a de Polignac number, because 28412715 - 2¹⁵ = 28379947 is a prime.

It is an unprimeable number.

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, 947076 + ... + 947105.

It is an arithmetic number, because the mean of its divisors is an integer number (5682546).

Almost surely, 2^28412715 is an apocalyptic number.

28412715 is a deficient number, since it is larger than the sum of its proper divisors (17047653).

28412715 is a wasteful number, since it uses less digits than its factorization.

28412715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894189.

The product of its digits is 4480, while the sum is 30.

The square root of 28412715 is about 5330.3578679109. The cubic root of 28412715 is about 305.1435855331.

The spelling of 28412715 in words is "twenty-eight million, four hundred twelve thousand, seven hundred fifteen".