28032348 has 36 divisors (see below), whose sum is σ = 66351320. Its totient is φ = 9211200.

The previous prime is 28032343. The next prime is 28032359. The reversal of 28032348 is 84323082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28032343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122298 + ... + 122526.

Almost surely, 2^28032348 is an apocalyptic number.

It is an amenable number.

28032348 is an abundant number, since it is smaller than the sum of its proper divisors (38318972).

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

28032348 is a wasteful number, since it uses less digits than its factorization.

28032348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 28032348 is about 5294.5583385208. The cubic root of 28032348 is about 303.7757897796.

It can be divided in two parts, 2803 and 2348, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 28032348 in words is "twenty-eight million, thirty-two thousand, three hundred forty-eight".