28334701 has 4 divisors (see below), whose sum is σ = 28869372. Its totient is φ = 27800032.

The previous prime is 28334671. The next prime is 28334729. The reversal of 28334701 is 10743382.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25857225 + 2477476 = 5085^2 + 1574^2 .

It is a cyclic number.

It is not a de Polignac number, because 28334701 - 2¹¹ = 28332653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28334701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28334741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267256 + ... + 267361.

It is an arithmetic number, because the mean of its divisors is an integer number (7217343).

Almost surely, 2^28334701 is an apocalyptic number.

It is an amenable number.

28334701 is a deficient number, since it is larger than the sum of its proper divisors (534671).

28334701 is an equidigital number, since it uses as much as digits as its factorization.

28334701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534670.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 28334701 is about 5323.0349425868. The cubic root of 28334701 is about 304.8640476235.

The spelling of 28334701 in words is "twenty-eight million, three hundred thirty-four thousand, seven hundred one".