28731362 has 8 divisors (see below), whose sum is σ = 47014992. Its totient is φ = 13059700.

The previous prime is 28731361. The next prime is 28731371. The reversal of 28731362 is 26313782.

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 (28731361) 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, 652964 + ... + 653007.

It is an arithmetic number, because the mean of its divisors is an integer number (5876874).

Almost surely, 2^28731362 is an apocalyptic number.

28731362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28731362 is a deficient number, since it is larger than the sum of its proper divisors (18283630).

28731362 is a wasteful number, since it uses less digits than its factorization.

28731362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305984.

The product of its digits is 12096, while the sum is 32.

The square root of 28731362 is about 5360.1643631516. The cubic root of 28731362 is about 306.2800702391.

The spelling of 28731362 in words is "twenty-eight million, seven hundred thirty-one thousand, three hundred sixty-two".