10397491 has 4 divisors (see below), whose sum is σ = 11197312. Its totient is φ = 9597672.

The previous prime is 10397483. The next prime is 10397501. The reversal of 10397491 is 19479301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10397491 - 2³ = 10397483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10397411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399891 + ... + 399916.

It is an arithmetic number, because the mean of its divisors is an integer number (2799328).

Almost surely, 2^10397491 is an apocalyptic number.

10397491 is a deficient number, since it is larger than the sum of its proper divisors (799821).

10397491 is an equidigital number, since it uses as much as digits as its factorization.

10397491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799820.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 10397491 is about 3224.5140719184. The cubic root of 10397491 is about 218.2610219649.

The spelling of 10397491 in words is "ten million, three hundred ninety-seven thousand, four hundred ninety-one".