28034277 has 8 divisors (see below), whose sum is σ = 37428480. Its totient is φ = 18664800.

The previous prime is 28034249. The next prime is 28034287. The reversal of 28034277 is 77243082.

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

It is not a de Polignac number, because 28034277 - 2¹⁵ = 28001509 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28034287) 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, 3349 + ... + 8202.

It is an arithmetic number, because the mean of its divisors is an integer number (4678560).

Almost surely, 2^28034277 is an apocalyptic number.

It is an amenable number.

28034277 is a deficient number, since it is larger than the sum of its proper divisors (9394203).

28034277 is a wasteful number, since it uses less digits than its factorization.

28034277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12363.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 28034277 is about 5294.7405035563. The cubic root of 28034277 is about 303.7827575639.

The spelling of 28034277 in words is "twenty-eight million, thirty-four thousand, two hundred seventy-seven".