28623348 has 192 divisors, whose sum is σ = 89376000. Its totient is φ = 7838208.

The previous prime is 28623341. The next prime is 28623349. The reversal of 28623348 is 84332682.

28623348 is a `hidden beast` number, since 28 + 623 + 3 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28623341) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 773586 + ... + 773622.

It is an arithmetic number, because the mean of its divisors is an integer number (465500).

Almost surely, 2^28623348 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 28623348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44688000).

28623348 is an abundant number, since it is smaller than the sum of its proper divisors (60752652).

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

28623348 is a wasteful number, since it uses less digits than its factorization.

28623348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 103 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 28623348 is about 5350.0792517495. The cubic root of 28623348 is about 305.8957738078.

The spelling of 28623348 in words is "twenty-eight million, six hundred twenty-three thousand, three hundred forty-eight".