28343414 has 8 divisors (see below), whose sum is σ = 46380168. Its totient is φ = 12883360.

The previous prime is 28343387. The next prime is 28343431. The reversal of 28343414 is 41434382.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644147 + ... + 644190.

It is an arithmetic number, because the mean of its divisors is an integer number (5797521).

Almost surely, 2^28343414 is an apocalyptic number.

28343414 is a deficient number, since it is larger than the sum of its proper divisors (18036754).

28343414 is a wasteful number, since it uses less digits than its factorization.

28343414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288350.

The product of its digits is 9216, while the sum is 29.

The square root of 28343414 is about 5323.8533037641. The cubic root of 28343414 is about 304.8952932708.

Adding to 28343414 its reverse (41434382), we get a palindrome (69777796).

The spelling of 28343414 in words is "twenty-eight million, three hundred forty-three thousand, four hundred fourteen".