28588332 has 48 divisors (see below), whose sum is σ = 68544000. Its totient is φ = 9270720.

The previous prime is 28588327. The next prime is 28588337. The reversal of 28588332 is 23388582.

It is an interprime number because it is at equal distance from previous prime (28588327) and next prime (28588337).

It is not an unprimeable number, because it can be changed into a prime (28588337) 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, 105357 + ... + 105627.

It is an arithmetic number, because the mean of its divisors is an integer number (1428000).

Almost surely, 2^28588332 is an apocalyptic number.

It is an amenable number.

28588332 is an abundant number, since it is smaller than the sum of its proper divisors (39955668).

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

28588332 is a wasteful number, since it uses less digits than its factorization.

28588332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 484 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 28588332 is about 5346.8057754140. The cubic root of 28588332 is about 305.7709850374.

It can be divided in two parts, 28588 and 332, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 28588332 in words is "twenty-eight million, five hundred eighty-eight thousand, three hundred thirty-two".