993206634 has 16 divisors (see below), whose sum is σ = 2270186688. Its totient is φ = 283773312.

The previous prime is 993206603. The next prime is 993206639. The reversal of 993206634 is 436602399.

993206634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 23647777 = 993206634 / (9 + 9 + 3 + 2 + 0 + 6 + 6 + 3 + 4).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (993206639) 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, 11823847 + ... + 11823930.

It is an arithmetic number, because the mean of its divisors is an integer number (141886668).

Almost surely, 2^993206634 is an apocalyptic number.

993206634 is an abundant number, since it is smaller than the sum of its proper divisors (1276980054).

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

993206634 is a wasteful number, since it uses less digits than its factorization.

993206634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23647789.

The product of its (nonzero) digits is 209952, while the sum is 42.

The square root of 993206634 is about 31515.1810085235. The cubic root of 993206634 is about 997.7303974680.

The spelling of 993206634 in words is "nine hundred ninety-three million, two hundred six thousand, six hundred thirty-four".