993538412 has 24 divisors (see below), whose sum is σ = 1858854816. Its totient is φ = 463004928.

The previous prime is 993538411. The next prime is 993538423. The reversal of 993538412 is 214835399.

993538412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×993538412² = 1974237152238963488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (993538411) 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, 63923 + ... + 77930.

It is an arithmetic number, because the mean of its divisors is an integer number (77452284).

Almost surely, 2^993538412 is an apocalyptic number.

It is an amenable number.

993538412 is a deficient number, since it is larger than the sum of its proper divisors (865316404).

993538412 is a wasteful number, since it uses less digits than its factorization.

993538412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141977 (or 141975 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 993538412 is about 31520.4443496598. Note that the first 3 decimals coincide. The cubic root of 993538412 is about 997.8414814835.

The spelling of 993538412 in words is "nine hundred ninety-three million, five hundred thirty-eight thousand, four hundred twelve".