993832745 has 4 divisors (see below), whose sum is σ = 1192599300. Its totient is φ = 795066192.

The previous prime is 993832739. The next prime is 993832747. The reversal of 993832745 is 547238399.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 553378576 + 440454169 = 23524^2 + 20987^2 .

It is a cyclic number.

It is not a de Polignac number, because 993832745 - 2¹⁰ = 993831721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 993832693 and 993832702.

It is not an unprimeable number, because it can be changed into a prime (993832747) 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, 99383270 + ... + 99383279.

It is an arithmetic number, because the mean of its divisors is an integer number (298149825).

Almost surely, 2^993832745 is an apocalyptic number.

It is an amenable number.

993832745 is a deficient number, since it is larger than the sum of its proper divisors (198766555).

993832745 is a wasteful number, since it uses less digits than its factorization.

993832745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198766554.

The product of its digits is 1632960, while the sum is 50.

The square root of 993832745 is about 31525.1129260468. The cubic root of 993832745 is about 997.9400076789.

The spelling of 993832745 in words is "nine hundred ninety-three million, eight hundred thirty-two thousand, seven hundred forty-five".