28450548 has 48 divisors (see below), whose sum is σ = 84300160. Its totient is φ = 8128512.

The previous prime is 28450547. The next prime is 28450553. The reversal of 28450548 is 84505482.

It is a super-3 number, since 3×28450548³ (a number of 23 digits) contains 333 as substring.

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 (28450547) 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, 18061 + ... + 19572.

Almost surely, 2^28450548 is an apocalyptic number.

28450548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28450548 is an abundant number, since it is smaller than the sum of its proper divisors (55849612).

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

28450548 is a wasteful number, since it uses less digits than its factorization.

28450548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37653 (or 37645 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 28450548 is about 5333.9055109741. The cubic root of 28450548 is about 305.2789636203.

The spelling of 28450548 in words is "twenty-eight million, four hundred fifty thousand, five hundred forty-eight".