28571746 has 16 divisors (see below), whose sum is σ = 49049280. Its totient is φ = 12227760.

The previous prime is 28571663. The next prime is 28571771. The reversal of 28571746 is 64717582.

It is a junction number, because it is equal to n+sod(n) for n = 28571699 and 28571708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16816 + ... + 18436.

It is an arithmetic number, because the mean of its divisors is an integer number (3065580).

Almost surely, 2^28571746 is an apocalyptic number.

28571746 is a deficient number, since it is larger than the sum of its proper divisors (20477534).

28571746 is a wasteful number, since it uses less digits than its factorization.

28571746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889.

The product of its digits is 94080, while the sum is 40.

The square root of 28571746 is about 5345.2545308900. The cubic root of 28571746 is about 305.7118408773.

The spelling of 28571746 in words is "twenty-eight million, five hundred seventy-one thousand, seven hundred forty-six".