28362480 has 80 divisors (see below), whose sum is σ = 89458560. Its totient is φ = 7431424.

The previous prime is 28362469. The next prime is 28362527. The reversal of 28362480 is 8426382.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13159 + ... + 15161.

It is an arithmetic number, because the mean of its divisors is an integer number (1118232).

Almost surely, 2^28362480 is an apocalyptic number.

28362480 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 28362480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44729280).

28362480 is an abundant number, since it is smaller than the sum of its proper divisors (61096080).

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

28362480 is a wasteful number, since it uses less digits than its factorization.

28362480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078 (or 2072 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 28362480 is about 5325.6436230751. The cubic root of 28362480 is about 304.9636434313.

The spelling of 28362480 in words is "twenty-eight million, three hundred sixty-two thousand, four hundred eighty".