994577 has 4 divisors (see below), whose sum is σ = 1000500. Its totient is φ = 988656.

The previous prime is 994571. The next prime is 994579. The reversal of 994577 is 775499.

It is a happy number.

994577 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 an emirpimes, since its reverse is a distinct semiprime: 775499 = 631 ⋅1229.

It can be written as a sum of positive squares in 2 ways, for example, as 410881 + 583696 = 641^2 + 764^2 .

It is a cyclic number.

It is not a de Polignac number, because 994577 - 2⁴ = 994561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994571) 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, 2702 + ... + 3047.

It is an arithmetic number, because the mean of its divisors is an integer number (250125).

2⁹⁹⁴⁵⁷⁷ is an apocalyptic number.

It is an amenable number.

994577 is a deficient number, since it is larger than the sum of its proper divisors (5923).

994577 is a wasteful number, since it uses less digits than its factorization.

994577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5922.

The product of its digits is 79380, while the sum is 41.

The square root of 994577 is about 997.2848138822. The cubic root of 994577 is about 99.8189055794.

The spelling of 994577 in words is "nine hundred ninety-four thousand, five hundred seventy-seven".