994477 has 4 divisors (see below), whose sum is σ = 1084896. Its totient is φ = 904060.

The previous prime is 994471. The next prime is 994489. The reversal of 994477 is 774499.

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 994477 - 2¹¹ = 992429 is a prime.

It is a Duffinian number.

994477 is a lucky number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994471) 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, 45193 + ... + 45214.

It is an arithmetic number, because the mean of its divisors is an integer number (271224).

2⁹⁹⁴⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

994477 is a deficient number, since it is larger than the sum of its proper divisors (90419).

994477 is a wasteful number, since it uses less digits than its factorization.

994477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90418.

The product of its digits is 63504, while the sum is 40.

The square root of 994477 is about 997.2346764930. The cubic root of 994477 is about 99.8155600281.

The spelling of 994477 in words is "nine hundred ninety-four thousand, four hundred seventy-seven".