10091697 has 36 divisors (see below), whose sum is σ = 17294256. Its totient is φ = 5176080.

The previous prime is 10091671. The next prime is 10091723. The reversal of 10091697 is 79619001.

It is an interprime number because it is at equal distance from previous prime (10091671) and next prime (10091723).

It is not a de Polignac number, because 10091697 - 2⁷ = 10091569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (10091597) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 127704 + ... + 127782.

It is an arithmetic number, because the mean of its divisors is an integer number (480396).

Almost surely, 2^10091697 is an apocalyptic number.

It is an amenable number.

10091697 is a deficient number, since it is larger than the sum of its proper divisors (7202559).

10091697 is an equidigital number, since it uses as much as digits as its factorization.

10091697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 10091697 is about 3176.7431435355. The cubic root of 10091697 is about 216.0999837185.

Multiplying 10091697 by its sum of digits (33), we get a square (333026001 = 18249²).

10091697 divided by its sum of digits (33) gives a square (305809 = 553²).

The spelling of 10091697 in words is "ten million, ninety-one thousand, six hundred ninety-seven".