28343626 has 8 divisors (see below), whose sum is σ = 43114464. Its totient is φ = 13972140.

The previous prime is 28343599. The next prime is 28343633. The reversal of 28343626 is 62634382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28343626² = 1606722269655752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28343591 and 28343600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99660 + ... + 99943.

It is an arithmetic number, because the mean of its divisors is an integer number (5389308).

Almost surely, 2^28343626 is an apocalyptic number.

28343626 is a deficient number, since it is larger than the sum of its proper divisors (14770838).

28343626 is a wasteful number, since it uses less digits than its factorization.

28343626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199676.

The product of its digits is 41472, while the sum is 34.

The square root of 28343626 is about 5323.8732141177. The cubic root of 28343626 is about 304.8960534432.

The spelling of 28343626 in words is "twenty-eight million, three hundred forty-three thousand, six hundred twenty-six".