28343495 has 4 divisors (see below), whose sum is σ = 34012200. Its totient is φ = 22674792.

The previous prime is 28343489. The next prime is 28343507. The reversal of 28343495 is 59434382.

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

It is a cyclic number.

It is not a de Polignac number, because 28343495 - 2⁶ = 28343431 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2834345 + ... + 2834354.

It is an arithmetic number, because the mean of its divisors is an integer number (8503050).

Almost surely, 2^28343495 is an apocalyptic number.

28343495 is a deficient number, since it is larger than the sum of its proper divisors (5668705).

28343495 is an equidigital number, since it uses as much as digits as its factorization.

28343495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5668704.

The product of its digits is 103680, while the sum is 38.

The square root of 28343495 is about 5323.8609110306. The cubic root of 28343495 is about 304.8955837145.

The spelling of 28343495 in words is "twenty-eight million, three hundred forty-three thousand, four hundred ninety-five".