28343106 has 48 divisors (see below), whose sum is σ = 68571360. Its totient is φ = 8386560.

The previous prime is 28343099. The next prime is 28343111. The reversal of 28343106 is 60134382.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28343106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6850 + ... + 10178.

It is an arithmetic number, because the mean of its divisors is an integer number (1428570).

Almost surely, 2^28343106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28343106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34285680).

28343106 is an abundant number, since it is smaller than the sum of its proper divisors (40228254).

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

28343106 is a wasteful number, since it uses less digits than its factorization.

28343106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391 (or 3388 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 28343106 is about 5323.8243772687. The cubic root of 28343106 is about 304.8941888627.

Adding to 28343106 its reverse (60134382), we get a palindrome (88477488).

The spelling of 28343106 in words is "twenty-eight million, three hundred forty-three thousand, one hundred six".