28926464 has 60 divisors (see below), whose sum is σ = 67290894. Its totient is φ = 12386304.

The previous prime is 28926463. The next prime is 28926481. The reversal of 28926464 is 46462982.

It can be written as a sum of positive squares in only one way, i.e., 21086464 + 7840000 = 4592^2 + 2800^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28926463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24512 + ... + 25664.

Almost surely, 2^28926464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28926464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33645447).

28926464 is an abundant number, since it is smaller than the sum of its proper divisors (38364430).

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

28926464 is an equidigital number, since it uses as much as digits as its factorization.

28926464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1162 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 28926464 is about 5378.3328271873. The cubic root of 28926464 is about 306.9717778313.

The spelling of 28926464 in words is "twenty-eight million, nine hundred twenty-six thousand, four hundred sixty-four".