994659621 has 8 divisors (see below), whose sum is σ = 1327166400. Its totient is φ = 662629632.

The previous prime is 994659619. The next prime is 994659629. The reversal of 994659621 is 126956499.

994659621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 994659621 - 2¹ = 994659619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994659629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114300 + ... + 122693.

It is an arithmetic number, because the mean of its divisors is an integer number (165895800).

Almost surely, 2^994659621 is an apocalyptic number.

It is an amenable number.

994659621 is a deficient number, since it is larger than the sum of its proper divisors (332506779).

994659621 is a wasteful number, since it uses less digits than its factorization.

994659621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238395.

The product of its digits is 1049760, while the sum is 51.

The square root of 994659621 is about 31538.2247598054. The cubic root of 994659621 is about 998.2166953817.

The spelling of 994659621 in words is "nine hundred ninety-four million, six hundred fifty-nine thousand, six hundred twenty-one".