9894520 has 16 divisors (see below), whose sum is σ = 22262760. Its totient is φ = 3957792.

The previous prime is 9894491. The next prime is 9894523. The reversal of 9894520 is 254989.

It is a self number, because there is not a number n which added to its sum of digits gives 9894520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9894523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123642 + ... + 123721.

Almost surely, 2^9894520 is an apocalyptic number.

It is an amenable number.

9894520 is an abundant number, since it is smaller than the sum of its proper divisors (12368240).

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

9894520 is a wasteful number, since it uses less digits than its factorization.

9894520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247374 (or 247370 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 9894520 is about 3145.5555948036. Note that the first 4 decimals coincide. The cubic root of 9894520 is about 214.6832906809.

The spelling of 9894520 in words is "nine million, eight hundred ninety-four thousand, five hundred twenty".