28487592 has 128 divisors (see below), whose sum is σ = 91929600. Its totient is φ = 8005824.

The previous prime is 28487587. The next prime is 28487603. The reversal of 28487592 is 29578482.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125383 + ... + 125609.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^28487592 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 28487592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45964800).

28487592 is an abundant number, since it is smaller than the sum of its proper divisors (63442008).

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

28487592 is a wasteful number, since it uses less digits than its factorization.

28487592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 322 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 28487592 is about 5337.3768838260. The cubic root of 28487592 is about 305.4114021858.

It can be divided in two parts, 2848 and 7592, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 28487592 in words is "twenty-eight million, four hundred eighty-seven thousand, five hundred ninety-two".