10897491 has 8 divisors (see below), whose sum is σ = 15850944. Its totient is φ = 6604520.

The previous prime is 10897487. The next prime is 10897529. The reversal of 10897491 is 19479801.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10897491 - 2² = 10897487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10897441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165081 + ... + 165146.

It is an arithmetic number, because the mean of its divisors is an integer number (1981368).

Almost surely, 2^10897491 is an apocalyptic number.

10897491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10897491 is a deficient number, since it is larger than the sum of its proper divisors (4953453).

10897491 is a wasteful number, since it uses less digits than its factorization.

10897491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330241.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 10897491 is about 3301.1348048815. The cubic root of 10897491 is about 221.7050095418.

The spelling of 10897491 in words is "ten million, eight hundred ninety-seven thousand, four hundred ninety-one".