994406565 has 16 divisors (see below), whose sum is σ = 1591462656. Its totient is φ = 530212800.

The previous prime is 994406531. The next prime is 994406593. The reversal of 994406565 is 565604499.

994406565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 994406565 - 2¹⁰ = 994405541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82260 + ... + 93570.

It is an arithmetic number, because the mean of its divisors is an integer number (99466416).

Almost surely, 2^994406565 is an apocalyptic number.

It is an amenable number.

994406565 is a deficient number, since it is larger than the sum of its proper divisors (597056091).

994406565 is a wasteful number, since it uses less digits than its factorization.

994406565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17180.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The square root of 994406565 is about 31534.2126110674. The cubic root of 994406565 is about 998.1320345444.

The spelling of 994406565 in words is "nine hundred ninety-four million, four hundred six thousand, five hundred sixty-five".