28041349 has 8 divisors (see below), whose sum is σ = 32090688. Its totient is φ = 24002880.

The previous prime is 28041331. The next prime is 28041371. The reversal of 28041349 is 94314082.

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 28041349 - 2¹³ = 28033157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28041349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28041389) 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, 3894 + ... + 8440.

It is an arithmetic number, because the mean of its divisors is an integer number (4011336).

Almost surely, 2^28041349 is an apocalyptic number.

It is an amenable number.

28041349 is a deficient number, since it is larger than the sum of its proper divisors (4049339).

28041349 is an equidigital number, since it uses as much as digits as its factorization.

28041349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 28041349 is about 5295.4082939845. The cubic root of 28041349 is about 303.8082997604.

The spelling of 28041349 in words is "twenty-eight million, forty-one thousand, three hundred forty-nine".