28234360 has 128 divisors (see below), whose sum is σ = 80870400. Its totient is φ = 8616960.

The previous prime is 28234337. The next prime is 28234373. The reversal of 28234360 is 6343282.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274069 + ... + 274171.

It is an arithmetic number, because the mean of its divisors is an integer number (631800).

Almost surely, 2^28234360 is an apocalyptic number.

28234360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28234360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40435200).

28234360 is an abundant number, since it is smaller than the sum of its proper divisors (52636040).

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

28234360 is a wasteful number, since it uses less digits than its factorization.

28234360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 28234360 is about 5313.6014152362. The cubic root of 28234360 is about 304.5037527298.

The spelling of 28234360 in words is "twenty-eight million, two hundred thirty-four thousand, three hundred sixty".