10930991 has 2 divisors, whose sum is σ = 10930992. Its totient is φ = 10930990.

The previous prime is 10930963. The next prime is 10931009. The reversal of 10930991 is 19903901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10930991 - 2²² = 6736687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10930391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5465495 + 5465496.

It is an arithmetic number, because the mean of its divisors is an integer number (5465496).

Almost surely, 2^10930991 is an apocalyptic number.

10930991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10930991 is an equidigital number, since it uses as much as digits as its factorization.

10930991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 10930991 is about 3306.2049240784. The cubic root of 10930991 is about 221.9319584244.

The spelling of 10930991 in words is "ten million, nine hundred thirty thousand, nine hundred ninety-one".