28063350 has 144 divisors (see below), whose sum is σ = 88208640. Its totient is φ = 6264000.

The previous prime is 28063349. The next prime is 28063351. The reversal of 28063350 is 5336082.

28063350 is a `hidden beast` number, since 28 + 0 + 633 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (28063349) and next prime (28063351).

It is a super-2 number, since 2×28063350² = 1575103226445000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28063351) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 185775 + ... + 185925.

It is an arithmetic number, because the mean of its divisors is an integer number (612560).

Almost surely, 2^28063350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28063350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44104320).

28063350 is an abundant number, since it is smaller than the sum of its proper divisors (60145290).

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

28063350 is a wasteful number, since it uses less digits than its factorization.

28063350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 28063350 is about 5297.4852524571. The cubic root of 28063350 is about 303.8877341114.

The spelling of 28063350 in words is "twenty-eight million, sixty-three thousand, three hundred fifty".