993944572 has 12 divisors (see below), whose sum is σ = 1743423136. Its totient is φ = 495823680.

The previous prime is 993944561. The next prime is 993944573. The reversal of 993944572 is 275449399.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993944573) 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, 285204 + ... + 288667.

Almost surely, 2^993944572 is an apocalyptic number.

It is an amenable number.

993944572 is a deficient number, since it is larger than the sum of its proper divisors (749478564).

993944572 is a wasteful number, since it uses less digits than its factorization.

993944572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574308 (or 574306 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 52.

The square root of 993944572 is about 31526.8864939118. The cubic root of 993944572 is about 997.9774359928.

The spelling of 993944572 in words is "nine hundred ninety-three million, nine hundred forty-four thousand, five hundred seventy-two".