28210364 has 48 divisors (see below), whose sum is σ = 63974400. Its totient is φ = 10570176.

The previous prime is 28210349. The next prime is 28210367. The reversal of 28210364 is 46301282.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28210367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4877 + ... + 8955.

It is an arithmetic number, because the mean of its divisors is an integer number (1332800).

Almost surely, 2^28210364 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 28210364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31987200).

28210364 is an abundant number, since it is smaller than the sum of its proper divisors (35764036).

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

28210364 is a wasteful number, since it uses less digits than its factorization.

28210364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122 (or 4120 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 28210364 is about 5311.3429563529. The cubic root of 28210364 is about 304.4174637421.

The spelling of 28210364 in words is "twenty-eight million, two hundred ten thousand, three hundred sixty-four".