993627045 has 54 divisors (see below), whose sum is σ = 1784140722. Its totient is φ = 511551936.

The previous prime is 993627043. The next prime is 993627049. The reversal of 993627045 is 540726399.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 488321604 + 505305441 = 22098^2 + 22479^2 .

It is not a de Polignac number, because 993627045 - 2¹ = 993627043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993627043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 7823772 + ... + 7823898.

It is an arithmetic number, because the mean of its divisors is an integer number (33039643).

Almost surely, 2^993627045 is an apocalyptic number.

It is an amenable number.

993627045 is a deficient number, since it is larger than the sum of its proper divisors (790513677).

993627045 is a wasteful number, since it uses less digits than its factorization.

993627045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 993627045 is about 31521.8502788145. The cubic root of 993627045 is about 997.8711528926.

Multiplying 993627045 by its sum of digits (45), we get a square (44713217025 = 211455²).

993627045 divided by its sum of digits (45) gives a square (22080601 = 4699²).

The spelling of 993627045 in words is "nine hundred ninety-three million, six hundred twenty-seven thousand, forty-five".