994488855 has 24 divisors (see below), whose sum is σ = 1614673488. Its totient is φ = 522579456.

The previous prime is 994488811. The next prime is 994488889. The reversal of 994488855 is 558884499.

It is not a de Polignac number, because 994488855 - 2¹¹ = 994486807 is a prime.

It is a super-2 number, since 2×994488855² = 1978016165438422050, which contains 22 as substring.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1043059 + ... + 1044011.

It is an arithmetic number, because the mean of its divisors is an integer number (67278062).

Almost surely, 2^994488855 is an apocalyptic number.

994488855 is a deficient number, since it is larger than the sum of its proper divisors (620184633).

994488855 is an frugal number, since it uses more digits than its factorization.

994488855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987 (or 1034 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 60.

The square root of 994488855 is about 31535.5173574178. The cubic root of 994488855 is about 998.1595665493.

The spelling of 994488855 in words is "nine hundred ninety-four million, four hundred eighty-eight thousand, eight hundred fifty-five".