28582746 has 16 divisors (see below), whose sum is σ = 60528384. Its totient is φ = 8967104.

The previous prime is 28582711. The next prime is 28582787. The reversal of 28582746 is 64728582.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28582698 and 28582707.

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, 140010 + ... + 140213.

It is an arithmetic number, because the mean of its divisors is an integer number (3783024).

Almost surely, 2^28582746 is an apocalyptic number.

28582746 is an abundant number, since it is smaller than the sum of its proper divisors (31945638).

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

28582746 is a wasteful number, since it uses less digits than its factorization.

28582746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280245.

The product of its digits is 215040, while the sum is 42.

The square root of 28582746 is about 5346.2833819393. The cubic root of 28582746 is about 305.7510684273.

The spelling of 28582746 in words is "twenty-eight million, five hundred eighty-two thousand, seven hundred forty-six".