28344702 has 8 divisors (see below), whose sum is σ = 56689416. Its totient is φ = 9448232.

The previous prime is 28344689. The next prime is 28344709. The reversal of 28344702 is 20744382.

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

28344702 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 28344702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28344709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2362053 + ... + 2362064.

It is an arithmetic number, because the mean of its divisors is an integer number (7086177).

Almost surely, 2^28344702 is an apocalyptic number.

28344702 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28344702 is a wasteful number, since it uses less digits than its factorization.

28344702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724122.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 28344702 is about 5323.9742674059. The cubic root of 28344702 is about 304.8999116181.

The spelling of 28344702 in words is "twenty-eight million, three hundred forty-four thousand, seven hundred two".