28698382 has 4 divisors (see below), whose sum is σ = 43047576. Its totient is φ = 14349190.

The previous prime is 28698361. The next prime is 28698389. The reversal of 28698382 is 28389682.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28698389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7174594 + ... + 7174597.

It is an arithmetic number, because the mean of its divisors is an integer number (10761894).

Almost surely, 2^28698382 is an apocalyptic number.

28698382 is a deficient number, since it is larger than the sum of its proper divisors (14349194).

28698382 is a wasteful number, since it uses less digits than its factorization.

28698382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14349193.

The product of its digits is 331776, while the sum is 46.

The square root of 28698382 is about 5357.0870816144. The cubic root of 28698382 is about 306.1628350018.

The spelling of 28698382 in words is "twenty-eight million, six hundred ninety-eight thousand, three hundred eighty-two".