28579412 has 6 divisors (see below), whose sum is σ = 50013978. Its totient is φ = 14289704.

The previous prime is 28579393. The next prime is 28579459. The reversal of 28579412 is 21497582.

It can be written as a sum of positive squares in only one way, i.e., 25060036 + 3519376 = 5006^2 + 1876^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3572423 + ... + 3572430.

It is an arithmetic number, because the mean of its divisors is an integer number (8335663).

Almost surely, 2^28579412 is an apocalyptic number.

It is an amenable number.

28579412 is a deficient number, since it is larger than the sum of its proper divisors (21434566).

28579412 is a wasteful number, since it uses less digits than its factorization.

28579412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144857 (or 7144855 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 28579412 is about 5345.9715674515. The cubic root of 28579412 is about 305.7391799766.

It can be divided in two parts, 285 and 79412, that added together give a palindrome (79697).

The spelling of 28579412 in words is "twenty-eight million, five hundred seventy-nine thousand, four hundred twelve".