993813612 has 24 divisors (see below), whose sum is σ = 2529707712. Its totient is φ = 301155600.

The previous prime is 993813589. The next prime is 993813619. The reversal of 993813612 is 216318399.

It is not an unprimeable number, because it can be changed into a prime (993813619) 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, 3764314 + ... + 3764577.

It is an arithmetic number, because the mean of its divisors is an integer number (105404488).

Almost surely, 2^993813612 is an apocalyptic number.

It is an amenable number.

993813612 is an abundant number, since it is smaller than the sum of its proper divisors (1535894100).

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

993813612 is a wasteful number, since it uses less digits than its factorization.

993813612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528909 (or 7528907 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 993813612 is about 31524.8094680999. The cubic root of 993813612 is about 997.9336036138.

The spelling of 993813612 in words is "nine hundred ninety-three million, eight hundred thirteen thousand, six hundred twelve".