28050624 has 140 divisors (see below), whose sum is σ = 95152464. Its totient is φ = 8004096.

The previous prime is 28050623. The next prime is 28050641. The reversal of 28050624 is 42605082.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (28050623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35902 + ... + 36674.

Almost surely, 2^28050624 is an apocalyptic number.

28050624 is a gapful number since it is divisible by the number (24) 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 28050624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47576232).

28050624 is an abundant number, since it is smaller than the sum of its proper divisors (67101840).

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

28050624 is an equidigital number, since it uses as much as digits as its factorization.

28050624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 28050624 is about 5296.2839803017. The cubic root of 28050624 is about 303.8417921025.

The spelling of 28050624 in words is "twenty-eight million, fifty thousand, six hundred twenty-four".