994555454 has 16 divisors (see below), whose sum is σ = 1630544256. Its totient is φ = 452928000.

The previous prime is 994555447. The next prime is 994555469. The reversal of 994555454 is 454555499.

It is a happy number.

It is a super-2 number, since 2×994555454² = 1978281102162292232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470747 + ... + 472854.

It is an arithmetic number, because the mean of its divisors is an integer number (101909016).

Almost surely, 2^994555454 is an apocalyptic number.

994555454 is a deficient number, since it is larger than the sum of its proper divisors (635988802).

994555454 is a wasteful number, since it uses less digits than its factorization.

994555454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943651.

The product of its digits is 3240000, while the sum is 50.

The square root of 994555454 is about 31536.5732761186. The cubic root of 994555454 is about 998.1818476588.

The spelling of 994555454 in words is "nine hundred ninety-four million, five hundred fifty-five thousand, four hundred fifty-four".