994986458 has 4 divisors (see below), whose sum is σ = 1492479690. Its totient is φ = 497493228.

The previous prime is 994986439. The next prime is 994986467. The reversal of 994986458 is 854689499.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 742399009 + 252587449 = 27247^2 + 15893^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 994986458.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248746613 + ... + 248746616.

Almost surely, 2^994986458 is an apocalyptic number.

994986458 is a deficient number, since it is larger than the sum of its proper divisors (497493232).

994986458 is a wasteful number, since it uses less digits than its factorization.

994986458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497493231.

The product of its digits is 22394880, while the sum is 62.

The square root of 994986458 is about 31543.4059353140. The cubic root of 994986458 is about 998.3260186835.

The spelling of 994986458 in words is "nine hundred ninety-four million, nine hundred eighty-six thousand, four hundred fifty-eight".