28344682 has 4 divisors (see below), whose sum is σ = 42517026. Its totient is φ = 14172340.

The previous prime is 28344649. The next prime is 28344689. The reversal of 28344682 is 28644382.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28185481 + 159201 = 5309^2 + 399^2 .

It is a super-2 number, since 2×28344682² = 1606841995362248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28344689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7086169 + ... + 7086172.

Almost surely, 2^28344682 is an apocalyptic number.

28344682 is a deficient number, since it is larger than the sum of its proper divisors (14172344).

28344682 is a wasteful number, since it uses less digits than its factorization.

28344682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14172343.

The product of its digits is 73728, while the sum is 37.

The square root of 28344682 is about 5323.9723891095. The cubic root of 28344682 is about 304.8998399057.

The spelling of 28344682 in words is "twenty-eight million, three hundred forty-four thousand, six hundred eighty-two".