28931362 has 8 divisors (see below), whose sum is σ = 43739136. Its totient is φ = 14351652.

The previous prime is 28931347. The next prime is 28931369. The reversal of 28931362 is 26313982.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (28931369) by changing a digit.

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, 56698 + ... + 57205.

It is an arithmetic number, because the mean of its divisors is an integer number (5467392).

Almost surely, 2^28931362 is an apocalyptic number.

28931362 is a deficient number, since it is larger than the sum of its proper divisors (14807774).

28931362 is a wasteful number, since it uses less digits than its factorization.

28931362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114032.

The product of its digits is 15552, while the sum is 34.

The square root of 28931362 is about 5378.7881534784. The cubic root of 28931362 is about 306.9891029459.

The spelling of 28931362 in words is "twenty-eight million, nine hundred thirty-one thousand, three hundred sixty-two".