28049611 has 2 divisors, whose sum is σ = 28049612. Its totient is φ = 28049610.

The previous prime is 28049597. The next prime is 28049633. The reversal of 28049611 is 11694082.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28049611 - 2⁵ = 28049579 is a prime.

It is not a weakly prime, because it can be changed into another prime (28049011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14024805 + 14024806.

It is an arithmetic number, because the mean of its divisors is an integer number (14024806).

Almost surely, 2^28049611 is an apocalyptic number.

28049611 is a deficient number, since it is larger than the sum of its proper divisors (1).

28049611 is an equidigital number, since it uses as much as digits as its factorization.

28049611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 28049611 is about 5296.1883463487. The cubic root of 28049611 is about 303.8381344841.

The spelling of 28049611 in words is "twenty-eight million, forty-nine thousand, six hundred eleven".