9894659052 has 12 divisors (see below), whose sum is σ = 23087537816. Its totient is φ = 3298219680.

The previous prime is 9894659003. The next prime is 9894659057. The reversal of 9894659052 is 2509564989.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 9894658983 and 9894659001.

It is not an unprimeable number, because it can be changed into a prime (9894659057) 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, 412277449 + ... + 412277472.

Almost surely, 2^9894659052 is an apocalyptic number.

It is an amenable number.

9894659052 is an abundant number, since it is smaller than the sum of its proper divisors (13192878764).

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

9894659052 is a wasteful number, since it uses less digits than its factorization.

9894659052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824554928 (or 824554926 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 57.

The square root of 9894659052 is about 99471.9008162607. The cubic root of 9894659052 is about 2146.8429635548.

The spelling of 9894659052 in words is "nine billion, eight hundred ninety-four million, six hundred fifty-nine thousand, fifty-two".