849140761 has 16 divisors (see below), whose sum is σ = 1026688000. Its totient is φ = 686041488.

The previous prime is 849140753. The next prime is 849140767. The reversal of 849140761 is 167041948.

849140761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 849140761 - 2³ = 849140753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849140767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10426 + ... + 42508.

It is an arithmetic number, because the mean of its divisors is an integer number (64168000).

Almost surely, 2^849140761 is an apocalyptic number.

It is an amenable number.

849140761 is a deficient number, since it is larger than the sum of its proper divisors (177547239).

849140761 is a wasteful number, since it uses less digits than its factorization.

849140761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32308.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 849140761 is about 29140.0199210639. The cubic root of 849140761 is about 946.9489414110.

The spelling of 849140761 in words is "eight hundred forty-nine million, one hundred forty thousand, seven hundred sixty-one".