994861 has 4 divisors (see below), whose sum is σ = 1136992. Its totient is φ = 852732.

The previous prime is 994853. The next prime is 994867. The reversal of 994861 is 168499.

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 994861 - 2³ = 994853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 994861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994867) 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, 71055 + ... + 71068.

It is an arithmetic number, because the mean of its divisors is an integer number (284248).

2⁹⁹⁴⁸⁶¹ is an apocalyptic number.

It is an amenable number.

994861 is a deficient number, since it is larger than the sum of its proper divisors (142131).

994861 is a wasteful number, since it uses less digits than its factorization.

994861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142130.

The product of its digits is 15552, while the sum is 37.

The square root of 994861 is about 997.4271903252. The cubic root of 994861 is about 99.8284057225.

The spelling of 994861 in words is "nine hundred ninety-four thousand, eight hundred sixty-one".