28743463 has 8 divisors (see below), whose sum is σ = 32901120. Its totient is φ = 24598680.

The previous prime is 28743401. The next prime is 28743467. The reversal of 28743463 is 36434782.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28743463 - 2⁹ = 28742951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28743467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2178 + ... + 7888.

It is an arithmetic number, because the mean of its divisors is an integer number (4112640).

Almost surely, 2^28743463 is an apocalyptic number.

28743463 is a deficient number, since it is larger than the sum of its proper divisors (4157657).

28743463 is an equidigital number, since it uses as much as digits as its factorization.

28743463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6437.

The product of its digits is 96768, while the sum is 37.

The square root of 28743463 is about 5361.2930343342. The cubic root of 28743463 is about 306.3230636170.

The spelling of 28743463 in words is "twenty-eight million, seven hundred forty-three thousand, four hundred sixty-three".