28485464 has 40 divisors (see below), whose sum is σ = 62350260. Its totient is φ = 12199824.

The previous prime is 28485419. The next prime is 28485473. The reversal of 28485464 is 46458482.

It is a super-2 number, since 2×28485464² = 1622843318590592, which contains 22 as substring.

It is a congruent number.

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 9 ways as a sum of consecutive naturals, for example, 18467 + ... + 19949.

Almost surely, 2^28485464 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 28485464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31175130).

28485464 is an abundant number, since it is smaller than the sum of its proper divisors (33864796).

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

28485464 is an equidigital number, since it uses as much as digits as its factorization.

28485464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517 (or 1492 counting only the distinct ones).

The product of its digits is 245760, while the sum is 41.

The square root of 28485464 is about 5337.1775312425. The cubic root of 28485464 is about 305.4037973352.

The spelling of 28485464 in words is "twenty-eight million, four hundred eighty-five thousand, four hundred sixty-four".