28342106 has 16 divisors (see below), whose sum is σ = 47363400. Its totient is φ = 12629568.

The previous prime is 28342103. The next prime is 28342123. The reversal of 28342106 is 60124382.

It can be written as a sum of positive squares in 4 ways, for example, as 22137025 + 6205081 = 4705^2 + 2491^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (28342103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18041 + ... + 19548.

Almost surely, 2^28342106 is an apocalyptic number.

28342106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28342106 is a deficient number, since it is larger than the sum of its proper divisors (19021294).

28342106 is a wasteful number, since it uses less digits than its factorization.

28342106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37633.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 28342106 is about 5323.7304589921. The cubic root of 28342106 is about 304.8906030668.

Adding to 28342106 its reverse (60124382), we get a palindrome (88466488).

The spelling of 28342106 in words is "twenty-eight million, three hundred forty-two thousand, one hundred six".