28034395 has 8 divisors (see below), whose sum is σ = 33721920. Its totient is φ = 22373760.

The previous prime is 28034389. The next prime is 28034417. The reversal of 28034395 is 59343082.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-28034395 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28034395.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4350 + ... + 8659.

It is an arithmetic number, because the mean of its divisors is an integer number (4215240).

Almost surely, 2^28034395 is an apocalyptic number.

28034395 is a deficient number, since it is larger than the sum of its proper divisors (5687525).

28034395 is a wasteful number, since it uses less digits than its factorization.

28034395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13445.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 28034395 is about 5294.7516466781. The cubic root of 28034395 is about 303.7831837840.

The spelling of 28034395 in words is "twenty-eight million, thirty-four thousand, three hundred ninety-five".