10766399 has 4 divisors (see below), whose sum is σ = 12304464. Its totient is φ = 9228336.

The previous prime is 10766381. The next prime is 10766401. The reversal of 10766399 is 99366701.

It is a happy number.

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 10766399 - 2¹⁶ = 10700863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10766339) 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, 769022 + ... + 769035.

It is an arithmetic number, because the mean of its divisors is an integer number (3076116).

Almost surely, 2^10766399 is an apocalyptic number.

10766399 is a deficient number, since it is larger than the sum of its proper divisors (1538065).

10766399 is an equidigital number, since it uses as much as digits as its factorization.

10766399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538064.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 10766399 is about 3281.2191331882. The cubic root of 10766399 is about 220.8124163251.

The spelling of 10766399 in words is "ten million, seven hundred sixty-six thousand, three hundred ninety-nine".