10897949 has 4 divisors (see below), whose sum is σ = 11082720. Its totient is φ = 10713180.

The previous prime is 10897927. The next prime is 10897967. The reversal of 10897949 is 94979801.

10897949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94979801 = 7 ⋅13568543.

It is a cyclic number.

It is not a de Polignac number, because 10897949 - 2⁸ = 10897693 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10897979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92297 + ... + 92414.

It is an arithmetic number, because the mean of its divisors is an integer number (2770680).

Almost surely, 2^10897949 is an apocalyptic number.

It is an amenable number.

10897949 is a deficient number, since it is larger than the sum of its proper divisors (184771).

10897949 is an equidigital number, since it uses as much as digits as its factorization.

10897949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184770.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 10897949 is about 3301.2041742370. The cubic root of 10897949 is about 221.7081154393.

The spelling of 10897949 in words is "ten million, eight hundred ninety-seven thousand, nine hundred forty-nine".