10397809 has 2 divisors, whose sum is σ = 10397810. Its totient is φ = 10397808.

The previous prime is 10397801. The next prime is 10397813. The reversal of 10397809 is 90879301.

10397809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5987809 + 4410000 = 2447^2 + 2100^2 .

It is a cyclic number.

It is not a de Polignac number, because 10397809 - 2³ = 10397801 is a prime.

It is a super-2 number, since 2×10397809² = 216228864000962, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10397801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5198904 + 5198905.

It is an arithmetic number, because the mean of its divisors is an integer number (5198905).

Almost surely, 2^10397809 is an apocalyptic number.

It is an amenable number.

10397809 is a deficient number, since it is larger than the sum of its proper divisors (1).

10397809 is an equidigital number, since it uses as much as digits as its factorization.

10397809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 10397809 is about 3224.5633812968. The cubic root of 10397809 is about 218.2632470625.

The spelling of 10397809 in words is "ten million, three hundred ninety-seven thousand, eight hundred nine".