28314234 has 24 divisors (see below), whose sum is σ = 66067092. Its totient is φ = 8712000.

The previous prime is 28314227. The next prime is 28314259. The reversal of 28314234 is 43241382.

It can be written as a sum of positive squares in 2 ways, for example, as 27531009 + 783225 = 5247^2 + 885^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28314198 and 28314207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60267 + ... + 60734.

Almost surely, 2^28314234 is an apocalyptic number.

28314234 is an abundant number, since it is smaller than the sum of its proper divisors (37752858).

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

28314234 is a wasteful number, since it uses less digits than its factorization.

28314234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121022 (or 121019 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 28314234 is about 5321.1121018073. The cubic root of 28314234 is about 304.7906258096.

It can be divided in two parts, 28314 and 234, that multiplied together give a square (6625476 = 2574²).

The spelling of 28314234 in words is "twenty-eight million, three hundred fourteen thousand, two hundred thirty-four".