28148302 has 24 divisors (see below), whose sum is σ = 52256016. Its totient is φ = 11134656.

The previous prime is 28148261. The next prime is 28148303. The reversal of 28148302 is 20384182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28148303) 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, 3583 + ... + 8314.

It is an arithmetic number, because the mean of its divisors is an integer number (2177334).

Almost surely, 2^28148302 is an apocalyptic number.

28148302 is a deficient number, since it is larger than the sum of its proper divisors (24107714).

28148302 is a wasteful number, since it uses less digits than its factorization.

28148302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11932 (or 11919 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 28148302 is about 5305.4973376678. The cubic root of 28148302 is about 304.1940632440.

The spelling of 28148302 in words is "twenty-eight million, one hundred forty-eight thousand, three hundred two".