10849781 has 4 divisors (see below), whose sum is σ = 10987200. Its totient is φ = 10712364.

The previous prime is 10849763. The next prime is 10849793. The reversal of 10849781 is 18794801.

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.

It is a cyclic number.

It is not a de Polignac number, because 10849781 - 2¹⁰ = 10848757 is a prime.

It is a super-2 number, since 2×10849781² = 235435495495922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10849981) 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, 68591 + ... + 68748.

It is an arithmetic number, because the mean of its divisors is an integer number (2746800).

Almost surely, 2^10849781 is an apocalyptic number.

It is an amenable number.

10849781 is a deficient number, since it is larger than the sum of its proper divisors (137419).

10849781 is an equidigital number, since it uses as much as digits as its factorization.

10849781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137418.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 10849781 is about 3293.9005753058. The cubic root of 10849781 is about 221.3809893895.

The spelling of 10849781 in words is "ten million, eight hundred forty-nine thousand, seven hundred eighty-one".