994947520 has 56 divisors (see below), whose sum is σ = 2707684704. Its totient is φ = 341124096.

The previous prime is 994947517. The next prime is 994947523. The reversal of 994947520 is 25749499.

994947520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (994947517) and next prime (994947523).

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994947523) 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, 219847 + ... + 224326.

Almost surely, 2^994947520 is an apocalyptic number.

It is an amenable number.

994947520 is an abundant number, since it is smaller than the sum of its proper divisors (1712737184).

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

994947520 is a wasteful number, since it uses less digits than its factorization.

994947520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444197 (or 444187 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 994947520 is about 31542.7887162819. The cubic root of 994947520 is about 998.3129956166.

The spelling of 994947520 in words is "nine hundred ninety-four million, nine hundred forty-seven thousand, five hundred twenty".