994889897 has 8 divisors (see below), whose sum is σ = 1013677440. Its totient is φ = 976257360.

The previous prime is 994889869. The next prime is 994889899. The reversal of 994889897 is 798988499.

994889897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 994889897 - 2²⁶ = 927781033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 994889897.

It is not an unprimeable number, because it can be changed into a prime (994889899) 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, 25754 + ... + 51507.

It is an arithmetic number, because the mean of its divisors is an integer number (126709680).

Almost surely, 2^994889897 is an apocalyptic number.

994889897 is the 25754-th pentagonal number.

It is an amenable number.

994889897 is a deficient number, since it is larger than the sum of its proper divisors (18787543).

994889897 is a wasteful number, since it uses less digits than its factorization.

994889897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77503.

The product of its digits is 94058496, while the sum is 71.

The square root of 994889897 is about 31541.8752930133. The cubic root of 994889897 is about 998.2937226067.

The spelling of 994889897 in words is "nine hundred ninety-four million, eight hundred eighty-nine thousand, eight hundred ninety-seven".