10209397 has 8 divisors (see below), whose sum is σ = 11183040. Its totient is φ = 9243360.

The previous prime is 10209379. The next prime is 10209427. The reversal of 10209397 is 79390201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10209397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10209307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129 + ... + 4657.

It is an arithmetic number, because the mean of its divisors is an integer number (1397880).

Almost surely, 2^10209397 is an apocalyptic number.

It is an amenable number.

10209397 is a deficient number, since it is larger than the sum of its proper divisors (973643).

10209397 is a wasteful number, since it uses less digits than its factorization.

10209397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 10209397 is about 3195.2147032711. The cubic root of 10209397 is about 216.9368671064.

Adding to 10209397 its reverse (79390201), we get a palindrome (89599598).

The spelling of 10209397 in words is "ten million, two hundred nine thousand, three hundred ninety-seven".