28931014 has 8 divisors (see below), whose sum is σ = 49596048. Its totient is φ = 12399000.

The previous prime is 28930973. The next prime is 28931017. The reversal of 28931014 is 41013982.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28931017) 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, 1033237 + ... + 1033264.

It is an arithmetic number, because the mean of its divisors is an integer number (6199506).

Almost surely, 2^28931014 is an apocalyptic number.

28931014 is a deficient number, since it is larger than the sum of its proper divisors (20665034).

28931014 is a wasteful number, since it uses less digits than its factorization.

28931014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066510.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 28931014 is about 5378.7558040870. The cubic root of 28931014 is about 306.9878720713.

Adding to 28931014 its reverse (41013982), we get a palindrome (69944996).

The spelling of 28931014 in words is "twenty-eight million, nine hundred thirty-one thousand, fourteen".