994231761 has 4 divisors (see below), whose sum is σ = 1325642352. Its totient is φ = 662821172.

The previous prime is 994231759. The next prime is 994231769. The reversal of 994231761 is 167132499.

994231761 is digitally balanced in base 2, 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: 167132499 = 3 ⋅55710833.

It is a cyclic number.

It is not a de Polignac number, because 994231761 - 2¹ = 994231759 is a prime.

It is a super-2 number, since 2×994231761² = 1976993589162322242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (994231769) 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, 165705291 + ... + 165705296.

It is an arithmetic number, because the mean of its divisors is an integer number (331410588).

Almost surely, 2^994231761 is an apocalyptic number.

It is an amenable number.

994231761 is a deficient number, since it is larger than the sum of its proper divisors (331410591).

994231761 is a wasteful number, since it uses less digits than its factorization.

994231761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331410590.

The product of its digits is 81648, while the sum is 42.

The square root of 994231761 is about 31531.4408329210. The cubic root of 994231761 is about 998.0735448203.

The spelling of 994231761 in words is "nine hundred ninety-four million, two hundred thirty-one thousand, seven hundred sixty-one".