994651 has 12 divisors (see below), whose sum is σ = 1181952. Its totient is φ = 834288.

The previous prime is 994621. The next prime is 994657. The reversal of 994651 is 156499.

It is not a de Polignac number, because 994651 - 2¹¹ = 992603 is a prime.

It is a super-2 number, since 2×994651² = 1978661223602, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

994651 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (994657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2406 + ... + 2788.

It is an arithmetic number, because the mean of its divisors is an integer number (98496).

2⁹⁹⁴⁶⁵¹ is an apocalyptic number.

994651 is a deficient number, since it is larger than the sum of its proper divisors (187301).

994651 is a wasteful number, since it uses less digits than its factorization.

994651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 443 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 994651 is about 997.3219139275. The cubic root of 994651 is about 99.8213811430.

The spelling of 994651 in words is "nine hundred ninety-four thousand, six hundred fifty-one".