994958421 has 8 divisors (see below), whose sum is σ = 1327728000. Its totient is φ = 662747232.

The previous prime is 994958417. The next prime is 994958441. The reversal of 994958421 is 124859499.

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

It is not a de Polignac number, because 994958421 - 2² = 994958417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994958441) 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, 135421 + ... + 142578.

It is an arithmetic number, because the mean of its divisors is an integer number (165966000).

Almost surely, 2^994958421 is an apocalyptic number.

It is an amenable number.

994958421 is a deficient number, since it is larger than the sum of its proper divisors (332769579).

994958421 is a wasteful number, since it uses less digits than its factorization.

994958421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279195.

The product of its digits is 933120, while the sum is 51.

The square root of 994958421 is about 31542.9615128320. The cubic root of 994958421 is about 998.3166415611.

The spelling of 994958421 in words is "nine hundred ninety-four million, nine hundred fifty-eight thousand, four hundred twenty-one".