28893349 has 2 divisors, whose sum is σ = 28893350. Its totient is φ = 28893348.

The previous prime is 28893341. The next prime is 28893413. The reversal of 28893349 is 94339882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16769025 + 12124324 = 4095^2 + 3482^2 .

It is a cyclic number.

It is not a de Polignac number, because 28893349 - 2³ = 28893341 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28893299 and 28893308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28893341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14446674 + 14446675.

It is an arithmetic number, because the mean of its divisors is an integer number (14446675).

Almost surely, 2^28893349 is an apocalyptic number.

It is an amenable number.

28893349 is a deficient number, since it is larger than the sum of its proper divisors (1).

28893349 is an equidigital number, since it uses as much as digits as its factorization.

28893349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 28893349 is about 5375.2533893762. The cubic root of 28893349 is about 306.8545927282.

The spelling of 28893349 in words is "twenty-eight million, eight hundred ninety-three thousand, three hundred forty-nine".