1028349727 has 2 divisors, whose sum is σ = 1028349728. Its totient is φ = 1028349726.

The previous prime is 1028349719. The next prime is 1028349731. The reversal of 1028349727 is 7279438201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1028349727 - 2³ = 1028349719 is a prime.

It is a super-2 number, since 2×1028349727² = 2115006322041949058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028349827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514174863 + 514174864.

It is an arithmetic number, because the mean of its divisors is an integer number (514174864).

Almost surely, 2^1028349727 is an apocalyptic number.

1028349727 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028349727 is an equidigital number, since it uses as much as digits as its factorization.

1028349727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 1028349727 is about 32067.8924627110. The cubic root of 1028349727 is about 1009.3619886523.

The spelling of 1028349727 in words is "one billion, twenty-eight million, three hundred forty-nine thousand, seven hundred twenty-seven".