3993987204 has 45 divisors (see below), whose sum is σ = 10444046151. Its totient is φ = 1330949880.

The previous prime is 3993987119. The next prime is 3993987209. The reversal of 3993987204 is 4027893993.

The square root of 3993987204 is 63198.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3993987209) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1135809 + ... + 1139319.

Almost surely, 2^3993987204 is an apocalyptic number.

3993987204 is the 63198-th square number.

It is an amenable number.

3993987204 is an abundant number, since it is smaller than the sum of its proper divisors (6450058947).

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

3993987204 is an frugal number, since it uses more digits than its factorization.

3993987204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7038 (or 3516 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The cubic root of 3993987204 is about 1586.6052598656.

The spelling of 3993987204 in words is "three billion, nine hundred ninety-three million, nine hundred eighty-seven thousand, two hundred four".