994490802 has 18 divisors (see below), whose sum is σ = 2155019997. Its totient is φ = 331452336.

The previous prime is 994490801. The next prime is 994490807. The reversal of 994490802 is 208094499.

It can be written as a sum of positive squares in 2 ways, for example, as 732730761 + 261760041 = 27069^2 + 16179^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=22299.

It is not an unprimeable number, because it can be changed into a prime (994490801) by changing a digit.

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 in 8 ways as a sum of consecutive naturals, for example, 130078 + ... + 137510.

Almost surely, 2^994490802 is an apocalyptic number.

994490802 is an abundant number, since it is smaller than the sum of its proper divisors (1160529195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

994490802 is an frugal number, since it uses more digits than its factorization.

994490802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14874 (or 7438 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 994490802 is about 31535.5482273576. The cubic root of 994490802 is about 998.1602179444.

The spelling of 994490802 in words is "nine hundred ninety-four million, four hundred ninety thousand, eight hundred two".