3993940700 has 18 divisors (see below), whose sum is σ = 8666851536. Its totient is φ = 1597576240.

The previous prime is 3993940637. The next prime is 3993940703. The reversal of 3993940700 is 70493993.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3993940703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19969604 + ... + 19969803.

It is an arithmetic number, because the mean of its divisors is an integer number (481491752).

Almost surely, 2^3993940700 is an apocalyptic number.

It is an amenable number.

3993940700 is an abundant number, since it is smaller than the sum of its proper divisors (4672910836).

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

3993940700 is a wasteful number, since it uses less digits than its factorization.

3993940700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39939421 (or 39939414 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 3993940700 is about 63197.6320758935. The cubic root of 3993940700 is about 1586.5991019610.

The spelling of 3993940700 in words is "three billion, nine hundred ninety-three million, nine hundred forty thousand, seven hundred".